osw.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title "Open-Smartwatch-GPS"
Date "2021-02-18"
Rev "3.1"
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Text Label 6975 4325 2    50   ~ 0
EN
$Comp
L open-Smartwatch:MCP73831T-2ACI_OT U11
U 1 1 5F5769AC
P 1300 6800
F 0 "U11" H 1050 7050 60  0000 C CNN
F 1 "MCP73831T-2ACI_OT" H 1800 7100 60  0000 C CNN
F 2 "open-Smartwatch:SOT-23-5" H 1350 6450 60  0001 L CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/20001984g.pdf" H 1500 7200 60  0001 L CNN
F 4 "MCP73831T-2ACI/OTCT-ND" H 1350 6370 60  0001 L CNN "Digi-Key_PN"
F 5 "MCP73831T-2ACI/OT" H 1350 6210 60  0001 L CNN "MPN"
F 6 "Microchip Technology" H 1350 6290 60  0001 L CNN "Manufacturer"
	1    1300 6800
	1    0    0    -1  
$EndComp
Text Label 2100 6700 0    50   ~ 0
VBAT
Wire Wire Line
	2100 6700 1950 6700
$Comp
L power:GND #PWR043
U 1 1 5F57834B
P 1300 7250
F 0 "#PWR043" H 1300 7000 50  0001 C CNN
F 1 "GND" H 1305 7077 50  0000 C CNN
F 2 "" H 1300 7250 50  0001 C CNN
F 3 "" H 1300 7250 50  0001 C CNN
	1    1300 7250
	1    0    0    -1  
$EndComp
Wire Wire Line
	1300 7250 1300 7100
$Comp
L Device:R_Small R13
U 1 1 5F581CFE
P 750 6200
F 0 "R13" V 650 6200 50  0000 C CNN
F 1 "470R" V 850 6200 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 750 6200 50  0001 C CNN
F 3 "~" H 750 6200 50  0001 C CNN
	1    750  6200
	-1   0    0    1   
$EndComp
$Comp
L Device:LED_Small D1
U 1 1 5F5828A8
P 750 6500
F 0 "D1" H 750 6400 50  0000 C CNN
F 1 "LED_Green" H 700 6650 50  0000 C CNN
F 2 "LED_SMD:LED_0805_2012Metric" V 750 6500 50  0001 C CNN
F 3 "~" V 750 6500 50  0001 C CNN
	1    750  6500
	0    -1   -1   0   
$EndComp
Wire Wire Line
	750  6600 750  6700
Wire Wire Line
	750  6300 750  6400
Text Label 750  6000 2    50   ~ 0
VBUS
Wire Wire Line
	750  6000 750  6100
$Comp
L Device:C_Small C2
U 1 1 5F587D9E
P 1950 6950
F 0 "C2" H 2042 6996 50  0000 L CNN
F 1 "4.7uF" H 2042 6905 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 1950 6950 50  0001 C CNN
F 3 "~" H 1950 6950 50  0001 C CNN
	1    1950 6950
	1    0    0    -1  
$EndComp
Wire Wire Line
	1950 6850 1950 6700
Connection ~ 1950 6700
Wire Wire Line
	1950 6700 1700 6700
$Comp
L power:GND #PWR045
U 1 1 5F588A25
P 1950 7250
F 0 "#PWR045" H 1950 7000 50  0001 C CNN
F 1 "GND" H 1955 7077 50  0000 C CNN
F 2 "" H 1950 7250 50  0001 C CNN
F 3 "" H 1950 7250 50  0001 C CNN
	1    1950 7250
	1    0    0    -1  
$EndComp
Wire Wire Line
	1950 7250 1950 7050
$Comp
L Device:C_Small C1
U 1 1 5F589FF4
P 1500 6150
F 0 "C1" V 1271 6150 50  0000 C CNN
F 1 "4.7uF" V 1362 6150 50  0000 C CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 1500 6150 50  0001 C CNN
F 3 "~" H 1500 6150 50  0001 C CNN
	1    1500 6150
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR041
U 1 1 5F58B01F
P 1800 6200
F 0 "#PWR041" H 1800 5950 50  0001 C CNN
F 1 "GND" H 1805 6027 50  0000 C CNN
F 2 "" H 1800 6200 50  0001 C CNN
F 3 "" H 1800 6200 50  0001 C CNN
	1    1800 6200
	1    0    0    -1  
$EndComp
Wire Wire Line
	1400 6150 1300 6150
Wire Wire Line
	1300 6150 1300 6500
$Comp
L Device:R_Small R15
U 1 1 5F591727
P 1750 7100
F 0 "R15" H 1809 7146 50  0000 L CNN
F 1 "5k" H 1809 7055 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 1750 7100 50  0001 C CNN
F 3 "~" H 1750 7100 50  0001 C CNN
	1    1750 7100
	1    0    0    -1  
$EndComp
Wire Wire Line
	1750 7000 1750 6900
Wire Wire Line
	1750 6900 1700 6900
$Comp
L power:GND #PWR044
U 1 1 5F59242C
P 1750 7250
F 0 "#PWR044" H 1750 7000 50  0001 C CNN
F 1 "GND" H 1755 7077 50  0000 C CNN
F 2 "" H 1750 7250 50  0001 C CNN
F 3 "" H 1750 7250 50  0001 C CNN
	1    1750 7250
	1    0    0    -1  
$EndComp
Wire Wire Line
	1750 7250 1750 7200
$Comp
L Timer_RTC:DS3231MZ U1
U 1 1 5F6A53FE
P 1200 1450
F 0 "U1" H 850 1800 50  0000 C CNN
F 1 "DS3231MZ" H 1450 1100 50  0000 C CNN
F 2 "Package_SO:SOIC-8_3.9x4.9mm_P1.27mm" H 1200 950 50  0001 C CNN
F 3 "http://datasheets.maximintegrated.com/en/ds/DS3231M.pdf" H 1200 850 50  0001 C CNN
	1    1200 1450
	1    0    0    -1  
$EndComp
Text Label 550  1250 0    50   ~ 0
SCL
Wire Wire Line
	550  1250 700  1250
Text Label 550  1350 0    50   ~ 0
SDA
Wire Wire Line
	550  1350 700  1350
$Comp
L power:+3V3 #PWR03
U 1 1 5F6ADFAF
P 1200 800
F 0 "#PWR03" H 1200 650 50  0001 C CNN
F 1 "+3V3" H 1215 973 50  0000 C CNN
F 2 "" H 1200 800 50  0001 C CNN
F 3 "" H 1200 800 50  0001 C CNN
	1    1200 800 
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR09
U 1 1 5F6BC9F6
P 1200 2200
F 0 "#PWR09" H 1200 1950 50  0001 C CNN
F 1 "GND" H 1205 2027 50  0000 C CNN
F 2 "" H 1200 2200 50  0001 C CNN
F 3 "" H 1200 2200 50  0001 C CNN
	1    1200 2200
	1    0    0    -1  
$EndComp
Wire Wire Line
	1200 2200 1200 2100
Text Label 10150 2700 0    50   ~ 0
VBUS
Wire Wire Line
	10150 2700 10350 2700
$Comp
L power:GND #PWR024
U 1 1 5F56FA17
P 9950 3100
F 0 "#PWR024" H 9950 2850 50  0001 C CNN
F 1 "GND" H 10000 2950 50  0000 R CNN
F 2 "" H 9950 3100 50  0001 C CNN
F 3 "" H 9950 3100 50  0001 C CNN
	1    9950 3100
	1    0    0    -1  
$EndComp
Text Label 9550 3500 2    50   ~ 0
D_N
Text Label 9550 3400 2    50   ~ 0
D_P
Text Label 10150 2800 0    50   ~ 0
D_N
Wire Wire Line
	10150 2900 10350 2900
Text Label 10150 2900 0    50   ~ 0
D_P
Wire Wire Line
	8375 2850 8375 2950
$Comp
L power:+3V3 #PWR015
U 1 1 5F56E405
P 8950 2700
F 0 "#PWR015" H 8950 2550 50  0001 C CNN
F 1 "+3V3" H 8950 2850 50  0000 C CNN
F 2 "" H 8950 2700 50  0001 C CNN
F 3 "" H 8950 2700 50  0001 C CNN
	1    8950 2700
	1    0    0    -1  
$EndComp
Wire Wire Line
	8950 4200 8950 4150
$Comp
L power:GND #PWR025
U 1 1 5F56CD5A
P 8950 4200
F 0 "#PWR025" H 8950 3950 50  0001 C CNN
F 1 "GND" H 8955 4027 50  0000 C CNN
F 2 "" H 8950 4200 50  0001 C CNN
F 3 "" H 8950 4200 50  0001 C CNN
	1    8950 4200
	1    0    0    -1  
$EndComp
Text Label 8375 2850 2    50   ~ 0
TX
Wire Wire Line
	8450 3100 8550 3100
Text Label 8450 3100 0    50   ~ 0
RX
Wire Wire Line
	9550 3400 9350 3400
Wire Wire Line
	9550 3500 9350 3500
$Comp
L open-Smartwatch:USB-OTG U5
U 1 1 5F553576
P 10600 2700
F 0 "U5" H 10900 3100 60  0000 L CNN
F 1 "USB-OTG" H 10600 3250 60  0000 L CNN
F 2 "open-Smartwatch:USBmicro-B" H 10600 2700 60  0001 C CNN
F 3 "" H 10600 2700 60  0001 C CNN
	1    10600 2700
	1    0    0    1   
$EndComp
NoConn ~ 10350 3000
NoConn ~ 8550 3900
Wire Wire Line
	10350 2800 10150 2800
NoConn ~ 700  1650
NoConn ~ 1700 1250
Wire Wire Line
	1600 6150 1800 6150
Wire Wire Line
	1800 6150 1800 6200
NoConn ~ 10350 2600
$Comp
L open-Smartwatch:CH340E U6
U 1 1 5F568AB1
P 8950 3500
F 0 "U6" H 9200 4050 50  0000 C CNN
F 1 "CH340E" H 8750 2950 50  0000 C CNN
F 2 "open-Smartwatch:MSOP-10_3x3mm_P0.5mm" H 9000 2950 50  0001 L CNN
F 3 "https://www.mpja.com/download/35227cpdata.pdf" H 8600 4300 50  0001 C CNN
	1    8950 3500
	-1   0    0    -1  
$EndComp
NoConn ~ 9350 3600
NoConn ~ 8550 3400
Wire Wire Line
	8950 2700 8950 2800
Wire Wire Line
	8950 2800 9050 2800
Wire Wire Line
	9050 2800 9050 2900
Connection ~ 8950 2800
Wire Wire Line
	8950 2800 8950 2900
Wire Notes Line
	3050 5500 500  5500
Wire Notes Line
	500  5500 500  2500
Wire Notes Line
	500  2450 500  500 
Wire Notes Line
	11100 2500 11100 4450
Wire Notes Line
	500  7500 500  5550
Wire Notes Line
	8200 4450 8200 2500
Text Label 1300 6000 2    50   ~ 0
VBUS
Wire Wire Line
	2175 6300 2650 6300
Text Label 2175 6300 0    50   ~ 0
STAT_PWR
Wire Wire Line
	2600 7150 2600 7075
Connection ~ 2600 7150
Wire Wire Line
	2450 7150 2600 7150
Wire Wire Line
	2450 6650 2450 7150
Wire Wire Line
	2750 6650 2450 6650
Wire Wire Line
	2600 7250 2600 7150
$Comp
L power:GND #PWR046
U 1 1 5F5BAC45
P 2600 7250
F 0 "#PWR046" H 2600 7000 50  0001 C CNN
F 1 "GND" H 2605 7077 50  0000 C CNN
F 2 "" H 2600 7250 50  0001 C CNN
F 3 "" H 2600 7250 50  0001 C CNN
	1    2600 7250
	1    0    0    -1  
$EndComp
Text Notes 2800 7350 0    50   ~ 0
500/R_LIM\n= 500/510\n= 0.98A U limit
Wire Wire Line
	2600 6800 2600 6875
Wire Wire Line
	2750 6800 2600 6800
$Comp
L Device:R_Small R14
U 1 1 5F5B9093
P 2600 6975
F 0 "R14" H 2659 7021 50  0000 L CNN
F 1 "510R" H 2659 6930 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 2600 6975 50  0001 C CNN
F 3 "~" H 2600 6975 50  0001 C CNN
	1    2600 6975
	1    0    0    -1  
$EndComp
Wire Wire Line
	4000 6450 3550 6450
Text Label 4000 6450 2    50   ~ 0
VCC
Wire Wire Line
	4100 7250 4100 7100
Wire Wire Line
	3800 7250 3800 7100
Connection ~ 3800 6650
Wire Wire Line
	4000 6650 3800 6650
Connection ~ 4100 6300
Wire Wire Line
	4100 6900 4100 6300
Wire Wire Line
	3800 6650 3550 6650
Wire Wire Line
	3800 6650 3800 6900
Wire Wire Line
	3550 7250 3550 6800
$Comp
L power:GND #PWR047
U 1 1 5F5AD603
P 3550 7250
F 0 "#PWR047" H 3550 7000 50  0001 C CNN
F 1 "GND" H 3555 7077 50  0000 C CNN
F 2 "" H 3550 7250 50  0001 C CNN
F 3 "" H 3550 7250 50  0001 C CNN
	1    3550 7250
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR048
U 1 1 5F5AC9C9
P 3800 7250
F 0 "#PWR048" H 3800 7000 50  0001 C CNN
F 1 "GND" H 3805 7077 50  0000 C CNN
F 2 "" H 3800 7250 50  0001 C CNN
F 3 "" H 3800 7250 50  0001 C CNN
	1    3800 7250
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR049
U 1 1 5F5AC561
P 4100 7250
F 0 "#PWR049" H 4100 7000 50  0001 C CNN
F 1 "GND" H 4105 7077 50  0000 C CNN
F 2 "" H 4100 7250 50  0001 C CNN
F 3 "" H 4100 7250 50  0001 C CNN
	1    4100 7250
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C4
U 1 1 5F5AA301
P 4100 7000
F 0 "C4" H 4192 7046 50  0000 L CNN
F 1 "0.1u" H 4192 6955 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 4100 7000 50  0001 C CNN
F 3 "~" H 4100 7000 50  0001 C CNN
	1    4100 7000
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C3
U 1 1 5F5A9E83
P 3800 7000
F 0 "C3" H 3892 7046 50  0000 L CNN
F 1 "0.1u" H 3892 6955 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 3800 7000 50  0001 C CNN
F 3 "~" H 3800 7000 50  0001 C CNN
	1    3800 7000
	1    0    0    -1  
$EndComp
Text Label 4000 6650 2    50   ~ 0
VBUS
$Comp
L open-Smartwatch:TPS2115A_default U9
U 1 1 5F5729B8
P 3150 6550
F 0 "U9" H 2900 6950 50  0000 C CNN
F 1 "TPS2115A" H 3350 6950 50  0000 C CNN
F 2 "open-Smartwatch:TSSOP-8_4.4x3mm_P0.65mm" H 4020 6130 50  0001 C CIN
F 3 "https://www.ti.com/lit/ds/symlink/tps2114a.pdf?HQS=TI-null-null-digikeymode-df-pf-null-wwe&ts=1599026024238" H 3050 6600 50  0001 C CNN
F 4 "296-16940-1-ND" H 3580 6060 50  0001 C CNN "DigiKey_PN"
F 5 "Texas Instruments" H 3570 5990 50  0001 C CNN "Manufacturer"
F 6 "TPS2115APWR" H 3490 5910 50  0001 C CNN "MPN"
	1    3150 6550
	1    0    0    -1  
$EndComp
Wire Wire Line
	6500 4525 6500 4375
Connection ~ 6500 4525
Wire Wire Line
	6350 4525 6500 4525
Wire Wire Line
	6100 4525 6100 4625
Connection ~ 6100 4525
Wire Wire Line
	5950 4525 6100 4525
Text Label 6350 4525 2    50   ~ 0
BTN3
Text Label 5950 4525 2    50   ~ 0
BTN2
Wire Wire Line
	6500 4625 6500 4525
Wire Wire Line
	6100 4375 6100 4525
Wire Wire Line
	6500 3925 6500 3975
Wire Wire Line
	6100 3975 6100 3925
$Comp
L power:+3V3 #PWR028
U 1 1 5F5F48E0
P 6500 3925
F 0 "#PWR028" H 6500 3775 50  0001 C CNN
F 1 "+3V3" H 6515 4098 50  0000 C CNN
F 2 "" H 6500 3925 50  0001 C CNN
F 3 "" H 6500 3925 50  0001 C CNN
	1    6500 3925
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR027
U 1 1 5F5F32E9
P 6100 3925
F 0 "#PWR027" H 6100 3775 50  0001 C CNN
F 1 "+3V3" H 6115 4098 50  0000 C CNN
F 2 "" H 6100 3925 50  0001 C CNN
F 3 "" H 6100 3925 50  0001 C CNN
	1    6100 3925
	1    0    0    -1  
$EndComp
Wire Wire Line
	6100 5075 6100 4825
Wire Wire Line
	6500 5075 6500 4825
$Comp
L power:GND #PWR036
U 1 1 5F5E81D6
P 6500 5075
F 0 "#PWR036" H 6500 4825 50  0001 C CNN
F 1 "GND" H 6505 4902 50  0000 C CNN
F 2 "" H 6500 5075 50  0001 C CNN
F 3 "" H 6500 5075 50  0001 C CNN
	1    6500 5075
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR035
U 1 1 5F5E7E8F
P 6100 5075
F 0 "#PWR035" H 6100 4825 50  0001 C CNN
F 1 "GND" H 6105 4902 50  0000 C CNN
F 2 "" H 6100 5075 50  0001 C CNN
F 3 "" H 6100 5075 50  0001 C CNN
	1    6100 5075
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R11
U 1 1 5F5E25E8
P 6500 4725
F 0 "R11" H 6559 4771 50  0000 L CNN
F 1 "10k" H 6559 4680 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 6500 4725 50  0001 C CNN
F 3 "~" H 6500 4725 50  0001 C CNN
	1    6500 4725
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R10
U 1 1 5F5E1E1C
P 6100 4725
F 0 "R10" H 6159 4771 50  0000 L CNN
F 1 "10k" H 6159 4680 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 6100 4725 50  0001 C CNN
F 3 "~" H 6100 4725 50  0001 C CNN
	1    6100 4725
	1    0    0    -1  
$EndComp
$Comp
L Switch:SW_Push SW1
U 1 1 5F554B17
P 6100 4175
F 0 "SW1" H 6100 4460 50  0000 C CNN
F 1 "SW_Push" H 6100 4369 50  0000 C CNN
F 2 "open-Smartwatch:button_side_smd" H 6100 4375 50  0001 C CNN
F 3 "~" H 6100 4375 50  0001 C CNN
	1    6100 4175
	0    -1   -1   0   
$EndComp
$Comp
L Switch:SW_Push SW2
U 1 1 5F554FA6
P 6500 4175
F 0 "SW2" H 6500 4460 50  0000 C CNN
F 1 "SW_Push" H 6500 4369 50  0000 C CNN
F 2 "open-Smartwatch:button_side_smd" H 6500 4375 50  0001 C CNN
F 3 "~" H 6500 4375 50  0001 C CNN
	1    6500 4175
	0    -1   -1   0   
$EndComp
Wire Wire Line
	7725 5075 7725 4825
$Comp
L power:GND #PWR039
U 1 1 5F563775
P 7725 5075
F 0 "#PWR039" H 7725 4825 50  0001 C CNN
F 1 "GND" H 7730 4902 50  0000 C CNN
F 2 "" H 7725 5075 50  0001 C CNN
F 3 "" H 7725 5075 50  0001 C CNN
	1    7725 5075
	1    0    0    -1  
$EndComp
Wire Wire Line
	7725 4325 7725 4425
Connection ~ 7725 4325
Wire Wire Line
	7725 4325 7575 4325
Wire Wire Line
	7725 4275 7725 4325
Wire Wire Line
	7725 4075 7725 3925
$Comp
L power:+3V3 #PWR031
U 1 1 5F562498
P 7725 3925
F 0 "#PWR031" H 7725 3775 50  0001 C CNN
F 1 "+3V3" H 7740 4098 50  0000 C CNN
F 2 "" H 7725 3925 50  0001 C CNN
F 3 "" H 7725 3925 50  0001 C CNN
	1    7725 3925
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R9
U 1 1 5F56208D
P 7725 4175
F 0 "R9" H 7784 4221 50  0000 L CNN
F 1 "10k" H 7784 4130 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 7725 4175 50  0001 C CNN
F 3 "~" H 7725 4175 50  0001 C CNN
	1    7725 4175
	1    0    0    -1  
$EndComp
Text Label 7575 4325 2    50   ~ 0
FLASH
Wire Wire Line
	7125 5075 7125 4825
$Comp
L power:GND #PWR038
U 1 1 5F5605E1
P 7125 5075
F 0 "#PWR038" H 7125 4825 50  0001 C CNN
F 1 "GND" H 7130 4902 50  0000 C CNN
F 2 "" H 7125 5075 50  0001 C CNN
F 3 "" H 7125 5075 50  0001 C CNN
	1    7125 5075
	1    0    0    -1  
$EndComp
Wire Wire Line
	7125 3925 7125 4075
Connection ~ 7125 4325
Wire Wire Line
	7125 4425 7125 4325
Wire Wire Line
	7125 4325 7125 4275
Wire Wire Line
	6975 4325 7125 4325
$Comp
L Device:R_Small R8
U 1 1 5F55DCE6
P 7125 4175
F 0 "R8" H 7184 4221 50  0000 L CNN
F 1 "10k" H 7184 4130 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 7125 4175 50  0001 C CNN
F 3 "~" H 7125 4175 50  0001 C CNN
	1    7125 4175
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR030
U 1 1 5F55D40B
P 7125 3925
F 0 "#PWR030" H 7125 3775 50  0001 C CNN
F 1 "+3V3" H 7140 4098 50  0000 C CNN
F 2 "" H 7125 3925 50  0001 C CNN
F 3 "" H 7125 3925 50  0001 C CNN
	1    7125 3925
	1    0    0    -1  
$EndComp
$Comp
L Switch:SW_Push SW5
U 1 1 5F55457A
P 7725 4625
F 0 "SW5" H 7850 4750 50  0000 C CNN
F 1 "SW_Push" H 7450 4725 50  0000 C CNN
F 2 "open-Smartwatch:button_side_smd" H 7725 4825 50  0001 C CNN
F 3 "~" H 7725 4825 50  0001 C CNN
	1    7725 4625
	0    -1   -1   0   
$EndComp
$Comp
L Switch:SW_Push SW4
U 1 1 5F553E06
P 7125 4625
F 0 "SW4" H 7250 4750 50  0000 C CNN
F 1 "SW_Push" H 6850 4725 50  0000 C CNN
F 2 "open-Smartwatch:button_side_smd" H 7125 4825 50  0001 C CNN
F 3 "~" H 7125 4825 50  0001 C CNN
	1    7125 4625
	0    -1   -1   0   
$EndComp
Wire Wire Line
	3550 6300 4100 6300
Text Notes 550  2600 0    50   Italic 10
GPS
Text Notes 550  600  0    50   Italic 10
SENSORS
Text Notes 550  5650 0    50   Italic 10
POWER
NoConn ~ 9675 1925
Text Label 9875 1775 2    50   ~ 0
MISO
Text Label 9925 1325 2    50   ~ 0
SD_CS
Text Label 9875 1175 2    50   ~ 0
MOSI
Text Label 9875 1025 2    50   ~ 0
SCK
Wire Wire Line
	9675 1775 9875 1775
Wire Wire Line
	9675 1325 9925 1325
Wire Wire Line
	9675 1175 9875 1175
NoConn ~ 9675 1475
NoConn ~ 9675 1625
Wire Wire Line
	9675 1025 9875 1025
Wire Wire Line
	9275 750  9275 775 
$Comp
L power:GND #PWR013
U 1 1 5FBFE330
P 9275 2225
F 0 "#PWR013" H 9275 1975 50  0001 C CNN
F 1 "GND" H 9280 2052 50  0000 C CNN
F 2 "" H 9275 2225 50  0001 C CNN
F 3 "" H 9275 2225 50  0001 C CNN
	1    9275 2225
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR02
U 1 1 5FBFDDB2
P 9275 750
F 0 "#PWR02" H 9275 600 50  0001 C CNN
F 1 "+3V3" H 9290 923 50  0000 C CNN
F 2 "" H 9275 750 50  0001 C CNN
F 3 "" H 9275 750 50  0001 C CNN
	1    9275 750 
	1    0    0    -1  
$EndComp
Wire Wire Line
	7550 2100 7450 2100
Connection ~ 7550 2100
Wire Wire Line
	7550 2100 7550 2200
Wire Wire Line
	7650 2100 7550 2100
Connection ~ 7650 2100
Wire Wire Line
	7750 2100 7650 2100
Wire Wire Line
	7750 1950 7750 2100
Wire Wire Line
	7100 1300 6900 1300
Wire Wire Line
	7550 750  7550 825 
Wire Wire Line
	7450 1950 7450 2100
Wire Wire Line
	7650 1950 7650 2100
$Comp
L power:GND #PWR014
U 1 1 5F645EF4
P 7550 2200
F 0 "#PWR014" H 7550 1950 50  0001 C CNN
F 1 "GND" H 7555 2027 50  0000 C CNN
F 2 "" H 7550 2200 50  0001 C CNN
F 3 "" H 7550 2200 50  0001 C CNN
	1    7550 2200
	1    0    0    -1  
$EndComp
Wire Wire Line
	8200 1150 8000 1150
Text Label 8200 1150 2    50   ~ 0
LEDK
$Comp
L open-Smartwatch:GC9A01_IPS_display_SPI U4
U 1 1 5F526D4A
P 7550 1450
F 0 "U4" H 7250 1900 50  0000 C CNN
F 1 "GC9A01_IPS_display" H 7950 1900 50  0000 C CNN
F 2 "open-Smartwatch:GC9A01_IPS_display" H 7550 500 50  0001 C CNN
F 3 "" H 7550 1450 50  0001 C CNN
	1    7550 1450
	1    0    0    -1  
$EndComp
Wire Wire Line
	7100 1150 6900 1150
$Comp
L Transistor_FET:2N7002 Q1
U 1 1 5F61875A
P 6300 1450
F 0 "Q1" V 6450 1600 50  0000 L CNN
F 1 "2N7002" V 6450 1050 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 6500 1375 50  0001 L CIN
F 3 "https://www.fairchildsemi.com/datasheets/2N/2N7002.pdf" H 6300 1450 50  0001 L CNN
	1    6300 1450
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR08
U 1 1 5F6191A1
P 6400 2200
F 0 "#PWR08" H 6400 1950 50  0001 C CNN
F 1 "GND" H 6405 2027 50  0000 C CNN
F 2 "" H 6400 2200 50  0001 C CNN
F 3 "" H 6400 2200 50  0001 C CNN
	1    6400 2200
	1    0    0    -1  
$EndComp
Wire Wire Line
	6400 2200 6400 1650
Text Label 6400 950  2    50   ~ 0
LEDK
Wire Wire Line
	6400 950  6400 1250
$Comp
L Device:R_Small R1
U 1 1 5F6207BE
P 8400 1150
F 0 "R1" V 8300 1100 50  0000 L CNN
F 1 "22" V 8500 1100 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 8400 1150 50  0001 C CNN
F 3 "~" H 8400 1150 50  0001 C CNN
	1    8400 1150
	1    0    0    -1  
$EndComp
Text Label 6000 950  2    50   ~ 0
PIN_LED
Wire Notes Line
	8550 2450 8550 500 
Wire Notes Line
	8550 500  5650 500 
Wire Notes Line
	8600 2450 10000 2450
Wire Notes Line
	10000 2450 10000 500 
Wire Notes Line
	10000 500  8600 500 
Wire Notes Line
	8600 500  8600 2450
Text Notes 8650 600  0    50   Italic 10
SDCARD
Text Notes 5700 600  0    50   Italic 10
DISPLAY
Text Notes 8250 2600 0    50   Italic 10
USB SERIAL
Wire Wire Line
	750  6700 900  6700
Wire Notes Line
	6875 5550 6875 7500
Wire Notes Line
	6875 7500 500  7500
Text Notes 5750 3575 0    50   Italic 10
BUTTONS
Text Label 3525 1550 2    50   ~ 0
IO35
Text Label 3525 1350 2    50   ~ 0
IO34
Wire Wire Line
	3325 1550 3525 1550
Wire Wire Line
	3325 1350 3525 1350
Text Label 2175 1350 0    50   ~ 0
SCL
$Comp
L power:+3V3 #PWR05
U 1 1 5F6D0321
P 2925 800
F 0 "#PWR05" H 2925 650 50  0001 C CNN
F 1 "+3V3" H 2940 973 50  0000 C CNN
F 2 "" H 2925 800 50  0001 C CNN
F 3 "" H 2925 800 50  0001 C CNN
	1    2925 800 
	1    0    0    -1  
$EndComp
Wire Wire Line
	2925 800  2925 850 
Wire Wire Line
	2175 1350 2325 1350
Wire Wire Line
	2175 1200 2325 1200
Text Label 2175 1200 0    50   ~ 0
SDA
$Comp
L power:GND #PWR011
U 1 1 5F6D792A
P 2725 2200
F 0 "#PWR011" H 2725 1950 50  0001 C CNN
F 1 "GND" H 2730 2027 50  0000 C CNN
F 2 "" H 2725 2200 50  0001 C CNN
F 3 "" H 2725 2200 50  0001 C CNN
	1    2725 2200
	1    0    0    -1  
$EndComp
NoConn ~ 1000 3500
Wire Wire Line
	1350 4800 1250 4800
Connection ~ 1350 4800
Wire Wire Line
	1350 4650 1350 4800
Wire Wire Line
	1450 4800 1350 4800
Connection ~ 1450 4800
Wire Wire Line
	1450 4650 1450 4800
Wire Wire Line
	1550 4800 1450 4800
Connection ~ 1550 4800
Wire Wire Line
	1550 4650 1550 4800
Wire Wire Line
	1650 4800 1550 4800
Connection ~ 1650 4800
Wire Wire Line
	1650 4650 1650 4800
Wire Wire Line
	1750 4650 1750 4800
Wire Wire Line
	1850 4800 1950 4800
Connection ~ 1850 4800
Wire Wire Line
	1850 4650 1850 4800
Wire Wire Line
	1950 4800 2050 4800
Connection ~ 1950 4800
Wire Wire Line
	1750 4800 1850 4800
Wire Wire Line
	1950 4650 1950 4800
Wire Wire Line
	2050 4800 2150 4800
Connection ~ 2050 4800
Wire Wire Line
	2050 4650 2050 4800
Wire Wire Line
	2150 4800 2250 4800
Connection ~ 2150 4800
Wire Wire Line
	2150 4650 2150 4800
Connection ~ 2250 4800
Wire Wire Line
	2250 4650 2250 4800
Connection ~ 1750 4800
Wire Wire Line
	2450 4800 2450 4650
Wire Wire Line
	1250 4800 1150 4800
Connection ~ 1250 4800
Wire Wire Line
	1250 4650 1250 4800
Wire Wire Line
	1150 4800 1150 4650
Wire Wire Line
	1750 4800 1650 4800
$Comp
L power:GND #PWR033
U 1 1 5FC0EBDC
P 2600 4950
F 0 "#PWR033" H 2600 4700 50  0001 C CNN
F 1 "GND" H 2605 4777 50  0000 C CNN
F 2 "" H 2600 4950 50  0001 C CNN
F 3 "" H 2600 4950 50  0001 C CNN
	1    2600 4950
	1    0    0    -1  
$EndComp
NoConn ~ 1000 4200
NoConn ~ 2600 3600
NoConn ~ 2600 3450
NoConn ~ 2600 3750
Connection ~ 1600 2775
Wire Wire Line
	1800 2775 1800 2850
Wire Wire Line
	1600 2775 1800 2775
Wire Wire Line
	1600 2850 1600 2775
$Comp
L open-Smartwatch:Quectel_L96 U8
U 1 1 5F525D1D
P 1800 3750
F 0 "U8" H 1175 4600 50  0000 C CNN
F 1 "Quectel_L96" H 2225 4600 50  0000 C CNN
F 2 "open-Smartwatch:Quectel_L96" H 1550 3250 50  0001 C CNN
F 3 "https://www.quectel.com/UploadImage/Downlad/Quectel_L96_Hardware_Design_V1.2.pdf" H 1550 3250 50  0001 C CNN
	1    1800 3750
	1    0    0    -1  
$EndComp
Wire Notes Line
	3050 2500 3050 5500
$Comp
L Device:R_Small R6
U 1 1 60BDE5E3
P 10300 1100
F 0 "R6" H 10359 1146 50  0000 L CNN
F 1 "1k" H 10359 1055 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 10300 1100 50  0001 C CNN
F 3 "~" H 10300 1100 50  0001 C CNN
	1    10300 1100
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R7
U 1 1 60BDE9DF
P 10600 1100
F 0 "R7" H 10659 1146 50  0000 L CNN
F 1 "1k" H 10659 1055 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 10600 1100 50  0001 C CNN
F 3 "~" H 10600 1100 50  0001 C CNN
	1    10600 1100
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR022
U 1 1 60C008CD
P 10300 850
F 0 "#PWR022" H 10300 700 50  0001 C CNN
F 1 "+3V3" H 10315 1023 50  0000 C CNN
F 2 "" H 10300 850 50  0001 C CNN
F 3 "" H 10300 850 50  0001 C CNN
	1    10300 850 
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR023
U 1 1 60C0100E
P 10600 850
F 0 "#PWR023" H 10600 700 50  0001 C CNN
F 1 "+3V3" H 10615 1023 50  0000 C CNN
F 2 "" H 10600 850 50  0001 C CNN
F 3 "" H 10600 850 50  0001 C CNN
	1    10600 850 
	1    0    0    -1  
$EndComp
Wire Wire Line
	10600 850  10600 1000
Wire Wire Line
	10300 850  10300 1000
Wire Wire Line
	10600 1200 10600 1350
Wire Wire Line
	10600 1350 10950 1350
Wire Wire Line
	10300 1200 10300 1450
Wire Wire Line
	10300 1450 10950 1450
Text Label 10950 1450 2    50   ~ 0
SDA
Text Label 10950 1350 2    50   ~ 0
SCL
Wire Notes Line
	10050 500  11100 500 
Wire Notes Line
	11100 500  11100 2450
Wire Notes Line
	11100 2500 8200 2500
Wire Notes Line
	10050 2450 11100 2450
Wire Notes Line
	11100 4450 8200 4450
Wire Notes Line
	10050 500  10050 2450
Text Notes 10100 600  0    50   Italic 10
PULLUPS
$Comp
L Device:R_Small R5
U 1 1 60F50791
P 750 3200
F 0 "R5" V 650 3200 50  0000 C CNN
F 1 "0R" V 825 3200 50  0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 750 3200 50  0001 C CNN
F 3 "~" H 750 3200 50  0001 C CNN
	1    750  3200
	-1   0    0    1   
$EndComp
Wire Wire Line
	1000 3300 900  3300
Wire Wire Line
	900  3300 900  3400
Wire Wire Line
	900  3400 750  3400
Wire Wire Line
	750  3400 750  3300
Wire Wire Line
	1000 3150 900  3150
Wire Wire Line
	900  3150 900  3000
Wire Wire Line
	900  3000 750  3000
Wire Wire Line
	750  3000 750  3100
Text Notes 775  2750 0    50   ~ 0
0 Ohm across\nRFin/RFout for\ninternal antenna
$Comp
L Graphic:Logo_Open_Hardware_Small #LOGO1
U 1 1 60F9CDC9
P 10850 6850
F 0 "#LOGO1" H 10850 7125 50  0001 C CNN
F 1 "Logo_Open_Hardware_Small" H 10850 6625 50  0001 C CNN
F 2 "" H 10850 6850 50  0001 C CNN
F 3 "~" H 10850 6850 50  0001 C CNN
	1    10850 6850
	1    0    0    -1  
$EndComp
Wire Wire Line
	6000 1450 6100 1450
Wire Wire Line
	8400 1250 8400 1300
Wire Wire Line
	8400 1300 8000 1300
Wire Wire Line
	8400 1050 8400 750 
Wire Wire Line
	1300 6150 1300 6000
Connection ~ 1300 6150
Wire Wire Line
	7550 1950 7550 2100
$Comp
L open-Smartwatch:SD_ebay-uSD-push_push_SMD XS1
U 1 1 5F551F44
P 9275 1475
F 0 "XS1" H 9550 2075 50  0000 R CNN
F 1 "SD_ebay-uSD-push_push_SMD" V 8925 2025 50  0000 R CNN
F 2 "open-Smartwatch:Conn_uSDcard" H 9275 1475 10  0001 C CNN
F 3 "_" H 9275 1475 10  0001 C CNN
F 4 "_" H 9275 1475 10  0001 C CNN "Manf#"
F 5 "ebay" H 9275 1475 10  0001 C CNN "Manf"
	1    9275 1475
	1    0    0    -1  
$EndComp
Wire Wire Line
	9275 2175 9275 2200
Wire Wire Line
	7100 1600 6850 1600
Wire Wire Line
	7100 1750 6850 1750
$Comp
L Device:R_Small R16
U 1 1 5F7492F9
P 5350 1250
F 0 "R16" V 5275 1175 50  0000 L CNN
F 1 "200k" V 5425 1175 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 5350 1250 50  0001 C CNN
F 3 "~" H 5350 1250 50  0001 C CNN
	1    5350 1250
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R17
U 1 1 5F749989
P 5350 1650
F 0 "R17" V 5275 1575 50  0000 L CNN
F 1 "10k" V 5425 1550 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 5350 1650 50  0001 C CNN
F 3 "~" H 5350 1650 50  0001 C CNN
	1    5350 1650
	1    0    0    -1  
$EndComp
Wire Wire Line
	5350 1350 5350 1450
$Comp
L power:GND #PWR053
U 1 1 5F75A57D
P 5350 2200
F 0 "#PWR053" H 5350 1950 50  0001 C CNN
F 1 "GND" H 5355 2027 50  0000 C CNN
F 2 "" H 5350 2200 50  0001 C CNN
F 3 "" H 5350 2200 50  0001 C CNN
	1    5350 2200
	1    0    0    -1  
$EndComp
Wire Wire Line
	5350 1750 5350 2200
Text Label 5350 1000 2    50   ~ 0
VBAT
Wire Wire Line
	5350 1150 5350 1000
Wire Notes Line
	500  500  5600 500 
Wire Wire Line
	5350 1450 4950 1450
Connection ~ 5350 1450
Wire Wire Line
	5350 1450 5350 1550
Text Label 4950 1450 0    50   ~ 0
B_MON
Wire Wire Line
	2725 900  2725 850 
Wire Wire Line
	2725 850  2925 850 
Connection ~ 2925 850 
Wire Wire Line
	2925 850  2925 900 
Wire Wire Line
	4100 6300 4200 6300
Text Notes 5025 700  0    50   ~ 0
VBAT:\n3.7-4.2V
Text Notes 5025 850  0    50   ~ 0
VBAT =\n5.55 * B_MON\n
Text Label 6850 1600 0    50   ~ 0
TFT_CS
Wire Wire Line
	8000 1600 8350 1600
Text Label 8350 1600 2    50   ~ 0
TFT_RST
Text Label 6900 1300 0    50   ~ 0
SCK
Text Label 6900 1150 0    50   ~ 0
MOSI
Text Label 6850 1750 0    50   ~ 0
TFT_DC
Text Label 1800 1900 1    50   ~ 0
RTC_INT
Wire Wire Line
	1700 1550 1800 1550
Wire Wire Line
	2600 3950 3025 3950
Wire Wire Line
	2600 4050 3025 4050
Text Label 3025 3950 2    50   ~ 0
GPS_RX2V8
Text Label 3025 4050 2    50   ~ 0
GPS_TX2V8
Text Label 3375 5825 2    50   ~ 0
VCC
Connection ~ 2650 6300
Wire Wire Line
	2650 6300 2750 6300
Wire Wire Line
	2650 5825 3375 5825
Wire Wire Line
	3850 5350 4250 5350
Wire Wire Line
	4050 5150 3850 5150
Text Label 3850 5150 0    50   ~ 0
BTN3
Wire Wire Line
	4050 5050 4050 5150
Wire Wire Line
	4250 5050 4250 5350
Text Label 3400 3900 0    50   ~ 0
BTN2
Text Label 3325 4200 0    50   ~ 0
GPS_TX3V3
Text Label 3400 4000 0    50   ~ 0
B_MON
Wire Wire Line
	3750 4400 3400 4400
Text Label 5375 4300 2    50   ~ 0
SD_CS
Text Label 3325 4300 0    50   ~ 0
GPS_RX3V3
Wire Wire Line
	3750 4300 3325 4300
Wire Wire Line
	3750 4200 3325 4200
Text Label 5350 4500 2    50   ~ 0
TFT_RST
Wire Wire Line
	3750 3900 3400 3900
Wire Wire Line
	3750 3800 3400 3800
Text Label 3400 4400 0    50   ~ 0
TFT_DC
Wire Wire Line
	5050 4300 5375 4300
Wire Notes Line
	500  2450 5600 2450
$Comp
L power:+3V3 #PWR017
U 1 1 5FCF97D6
P 3600 2850
F 0 "#PWR017" H 3600 2700 50  0001 C CNN
F 1 "+3V3" H 3615 3023 50  0000 C CNN
F 2 "" H 3600 2850 50  0001 C CNN
F 3 "" H 3600 2850 50  0001 C CNN
	1    3600 2850
	1    0    0    -1  
$EndComp
Wire Wire Line
	3600 3200 3600 2925
$Comp
L open-Smartwatch:ttgo-32-micro U7
U 1 1 5F52BDFD
P 4400 3800
F 0 "U7" H 4000 4650 50  0000 C CNN
F 1 "ttgo-32-micro" H 4550 4650 50  0000 C CNN
F 2 "open-Smartwatch:ttgo-32-micro" H 4000 4400 50  0001 C CNN
F 3 "" H 4000 4400 50  0001 C CNN
	1    4400 3800
	1    0    0    -1  
$EndComp
Text Label 3850 5250 0    50   ~ 0
PIN_LED
Wire Wire Line
	4750 5150 5150 5150
Wire Wire Line
	4750 5050 4750 5150
Wire Notes Line
	5650 500  5650 2450
Wire Notes Line
	5650 2450 8550 2450
Text Notes 3150 2600 0    50   Italic 10
MICROCONTROLLER
Wire Notes Line
	3100 2500 5600 2500
Wire Notes Line
	3100 5500 3100 2500
Wire Notes Line
	5600 5500 3100 5500
Wire Notes Line
	5600 2500 5600 5500
Wire Notes Line
	5600 500  5600 2450
Text Label 5150 5150 2    50   ~ 0
STAT_PWR
Wire Wire Line
	5450 3100 5450 3175
Wire Wire Line
	5050 3100 5450 3100
$Comp
L power:GND #PWR020
U 1 1 5FD3B956
P 5450 3175
F 0 "#PWR020" H 5450 2925 50  0001 C CNN
F 1 "GND" H 5455 3002 50  0000 C CNN
F 2 "" H 5450 3175 50  0001 C CNN
F 3 "" H 5450 3175 50  0001 C CNN
	1    5450 3175
	1    0    0    -1  
$EndComp
Wire Wire Line
	3475 4500 3475 5100
Wire Wire Line
	3750 4500 3475 4500
$Comp
L power:GND #PWR026
U 1 1 5FD2DDCD
P 3475 5100
F 0 "#PWR026" H 3475 4850 50  0001 C CNN
F 1 "GND" H 3480 4927 50  0000 C CNN
F 2 "" H 3475 5100 50  0001 C CNN
F 3 "" H 3475 5100 50  0001 C CNN
	1    3475 5100
	1    0    0    -1  
$EndComp
Wire Wire Line
	3750 3200 3600 3200
Text Label 5300 3200 2    50   ~ 0
MOSI
Wire Wire Line
	5050 3200 5300 3200
Text Label 3400 3800 0    50   ~ 0
RTC_INT
Text Label 3550 3700 0    50   ~ 0
IO35
Text Label 3550 3600 0    50   ~ 0
IO34
Wire Wire Line
	3750 3700 3550 3700
Wire Wire Line
	3750 3600 3550 3600
Text Label 5300 3500 2    50   ~ 0
RX
Text Label 5300 3400 2    50   ~ 0
TX
Text Label 5400 4000 2    50   ~ 0
TFT_CS
Text Label 5400 3900 2    50   ~ 0
SCK
Text Label 5400 3800 2    50   ~ 0
MISO
Wire Wire Line
	5050 4000 5400 4000
Wire Wire Line
	5050 3900 5400 3900
Wire Wire Line
	5050 3800 5400 3800
Wire Wire Line
	5050 3500 5300 3500
Wire Wire Line
	5050 3400 5300 3400
Text Label 5300 3600 2    50   ~ 0
SDA
Wire Wire Line
	5050 3600 5300 3600
Text Label 5300 3300 2    50   ~ 0
SCL
Wire Wire Line
	5050 3300 5300 3300
Text Label 3600 3300 0    50   ~ 0
EN
Wire Wire Line
	3750 3300 3600 3300
Text Label 5375 4400 2    50   ~ 0
FLASH
Wire Wire Line
	5050 4400 5375 4400
$Comp
L Device:C_Small C9
U 1 1 5F753E14
P 9600 3000
F 0 "C9" H 9670 3070 50  0000 L CNN
F 1 "0.1u" H 9640 2930 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 9600 3000 50  0001 C CNN
F 3 "~" H 9600 3000 50  0001 C CNN
	1    9600 3000
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C10
U 1 1 5F827434
P 600 4450
F 0 "C10" V 650 4500 50  0000 L CNN
F 1 "0.1u" V 650 4225 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 600 4450 50  0001 C CNN
F 3 "~" H 600 4450 50  0001 C CNN
	1    600  4450
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C11
U 1 1 5F8276CE
P 1950 1000
F 0 "C11" H 2020 1070 50  0000 L CNN
F 1 "0.1u" H 1990 930 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 1950 1000 50  0001 C CNN
F 3 "~" H 1950 1000 50  0001 C CNN
	1    1950 1000
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C13
U 1 1 5F8293A4
P 3600 1000
F 0 "C13" H 3670 1070 50  0000 L CNN
F 1 "0.1u" H 3640 930 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 3600 1000 50  0001 C CNN
F 3 "~" H 3600 1000 50  0001 C CNN
	1    3600 1000
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C8
U 1 1 5F82A290
P 3250 3150
F 0 "C8" H 3320 3220 50  0000 L CNN
F 1 "0.1u" H 3290 3080 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 3250 3150 50  0001 C CNN
F 3 "~" H 3250 3150 50  0001 C CNN
	1    3250 3150
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C7
U 1 1 5F82A534
P 8725 1000
F 0 "C7" H 8795 1070 50  0000 L CNN
F 1 "0.1u" H 8765 930 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 8725 1000 50  0001 C CNN
F 3 "~" H 8725 1000 50  0001 C CNN
	1    8725 1000
	1    0    0    -1  
$EndComp
$Comp
L power:PWR_FLAG #FLG05
U 1 1 5FB3A274
P 10800 5650
F 0 "#FLG05" H 10800 5725 50  0001 C CNN
F 1 "PWR_FLAG" H 10800 5823 50  0000 C CNN
F 2 "" H 10800 5650 50  0001 C CNN
F 3 "~" H 10800 5650 50  0001 C CNN
	1    10800 5650
	-1   0    0    1   
$EndComp
Wire Wire Line
	10800 5650 10800 5350
Text Label 10800 5350 2    50   ~ 0
VBUS
Wire Notes Line
	5650 3400 8150 3400
Wire Notes Line
	8150 3400 8150 2500
Wire Notes Line
	8150 2500 5650 2500
Wire Notes Line
	5650 2500 5650 3400
Text Notes 10025 4650 0    50   Italic 10
POWER FLAGS
Wire Wire Line
	1800 1400 1800 1550
Connection ~ 1800 1550
Wire Wire Line
	1800 1550 1800 1900
$Comp
L Device:R_Small R18
U 1 1 5FCDFF42
P 1800 1300
F 0 "R18" H 1650 1350 50  0000 L CNN
F 1 "2.2K" H 1575 1275 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 1800 1300 50  0001 C CNN
F 3 "~" H 1800 1300 50  0001 C CNN
	1    1800 1300
	-1   0    0    1   
$EndComp
Wire Wire Line
	3375 850  3375 1200
Wire Wire Line
	3375 1200 3325 1200
Text Notes 1325 2025 0    50   ~ 0
I2C addr\n0x68
Text Notes 3000 2100 0    50   ~ 0
I2C addr\n0x14
Text Label 750  3000 0    50   ~ 0
ANT
NoConn ~ 1000 3800
NoConn ~ 1000 3700
Wire Wire Line
	3400 4000 3750 4000
Wire Wire Line
	4150 5250 4150 5050
Wire Wire Line
	3850 5250 4150 5250
Text Label 2500 6450 0    50   ~ 0
VBAT
Wire Wire Line
	2500 6450 2750 6450
Text Label 4575 5875 0    50   ~ 0
VCC
$Comp
L power:GND #PWR018
U 1 1 5F941E87
P 4775 6300
F 0 "#PWR018" H 4775 6050 50  0001 C CNN
F 1 "GND" H 4780 6127 50  0000 C CNN
F 2 "" H 4775 6300 50  0001 C CNN
F 3 "" H 4775 6300 50  0001 C CNN
	1    4775 6300
	1    0    0    -1  
$EndComp
Wire Wire Line
	9050 2800 9600 2800
Wire Wire Line
	9600 2800 9600 2900
Connection ~ 9050 2800
$Comp
L Device:R_Small R4
U 1 1 5F5936F4
P 8375 3050
F 0 "R4" H 8425 3175 50  0000 C CNN
F 1 "470R" V 8450 3025 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 8375 3050 50  0001 C CNN
F 3 "~" H 8375 3050 50  0001 C CNN
	1    8375 3050
	-1   0    0    1   
$EndComp
Wire Wire Line
	9600 3100 9600 4150
Wire Wire Line
	9600 4150 8950 4150
Connection ~ 8950 4150
Wire Wire Line
	8950 4150 8950 4100
Wire Wire Line
	1200 800  1200 850 
Wire Wire Line
	1950 850  1950 900 
Wire Wire Line
	1200 850  1800 850 
Connection ~ 1200 850 
Wire Wire Line
	1200 850  1200 1050
Wire Wire Line
	1200 850  1100 850 
Wire Wire Line
	1100 850  1100 1050
Wire Wire Line
	1800 850  1800 1200
Connection ~ 1800 850 
Wire Wire Line
	1800 850  1950 850 
Wire Wire Line
	1950 1100 1950 2100
Wire Wire Line
	1950 2100 1200 2100
Connection ~ 1200 2100
Wire Wire Line
	1200 2100 1200 1850
Wire Wire Line
	3600 850  3600 900 
Wire Wire Line
	2925 850  3375 850 
Connection ~ 3375 850 
Wire Wire Line
	3375 850  3600 850 
Wire Wire Line
	3600 2100 3600 1100
Wire Wire Line
	2925 2100 3600 2100
Connection ~ 2925 2100
Wire Wire Line
	2925 2100 2725 2100
Connection ~ 2725 2100
Wire Wire Line
	2725 2100 2725 2200
Wire Wire Line
	3600 2925 3250 2925
Wire Wire Line
	3250 2925 3250 3050
Connection ~ 3600 2925
Wire Wire Line
	3600 2925 3600 2850
Wire Wire Line
	3750 3100 3500 3100
Wire Wire Line
	3500 3100 3500 3300
Wire Wire Line
	3500 3300 3250 3300
Wire Wire Line
	3250 3300 3250 3250
Wire Wire Line
	3250 3300 3250 4500
Wire Wire Line
	3250 4500 3475 4500
Connection ~ 3250 3300
Connection ~ 3475 4500
Wire Wire Line
	8725 900  8725 775 
Wire Wire Line
	8725 775  9275 775 
Connection ~ 9275 775 
Wire Wire Line
	9275 775  9275 825 
Wire Wire Line
	8725 1100 8725 2200
Wire Wire Line
	8725 2200 9275 2200
Connection ~ 9275 2200
Wire Wire Line
	9275 2200 9275 2225
Wire Notes Line
	5650 3450 8150 3450
Wire Notes Line
	8150 5500 5650 5500
Wire Notes Line
	5650 3450 5650 5500
Text Notes 6950 5650 0    50   Italic 10
CONNECTORS
Wire Notes Line
	6925 5550 6925 6450
Wire Notes Line
	500  2500 3025 2500
$Comp
L Device:R_Small R21
U 1 1 5FAF8B20
P 6000 1200
F 0 "R21" V 5925 1125 50  0000 L CNN
F 1 "10k" V 6075 1100 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 6000 1200 50  0001 C CNN
F 3 "~" H 6000 1200 50  0001 C CNN
	1    6000 1200
	-1   0    0    1   
$EndComp
Wire Wire Line
	6000 950  6000 1100
$Comp
L Device:R_Small R22
U 1 1 5FC27A03
P 6000 1875
F 0 "R22" V 5925 1800 50  0000 L CNN
F 1 "1M" V 6075 1775 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 6000 1875 50  0001 C CNN
F 3 "~" H 6000 1875 50  0001 C CNN
	1    6000 1875
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR0101
U 1 1 5FC280D0
P 6000 2200
F 0 "#PWR0101" H 6000 1950 50  0001 C CNN
F 1 "GND" H 6005 2027 50  0000 C CNN
F 2 "" H 6000 2200 50  0001 C CNN
F 3 "" H 6000 2200 50  0001 C CNN
	1    6000 2200
	1    0    0    -1  
$EndComp
Wire Wire Line
	6000 2200 6000 1975
Wire Wire Line
	6000 1300 6000 1450
Connection ~ 6000 1450
Wire Wire Line
	6000 1450 6000 1775
Wire Wire Line
	8375 3150 8375 3200
Wire Wire Line
	8375 3200 8550 3200
Wire Wire Line
	9950 3100 10350 3100
Wire Wire Line
	1150 4800 900  4800
Wire Wire Line
	600  4800 600  4550
Connection ~ 1150 4800
Wire Wire Line
	1600 2775 600  2775
Wire Wire Line
	600  2775 600  4150
Connection ~ 2450 4800
Wire Wire Line
	9050 5150 9650 5150
Wire Wire Line
	8375 5150 8850 5150
$Comp
L Device:R_Small R3
U 1 1 604E5042
P 8950 5150
F 0 "R3" V 8875 5175 50  0000 L CNN
F 1 "1k" V 8875 5050 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 8950 5150 50  0001 C CNN
F 3 "~" H 8950 5150 50  0001 C CNN
	1    8950 5150
	0    1    1    0   
$EndComp
Text Label 8375 5150 0    50   ~ 0
GPS_TX3V3
Text Label 9650 5150 2    50   ~ 0
GPS_TX2V8
$Comp
L Device:R_Small R12
U 1 1 6067B804
P 9350 5000
F 0 "R12" V 9275 5100 50  0000 L CNN
F 1 "5.6k" V 9275 4900 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 9350 5000 50  0001 C CNN
F 3 "~" H 9350 5000 50  0001 C CNN
	1    9350 5000
	0    1    1    0   
$EndComp
Wire Wire Line
	9650 4875 9175 4875
Wire Wire Line
	8375 4875 8850 4875
$Comp
L Device:R_Small R2
U 1 1 604A7E21
P 8950 4875
F 0 "R2" V 8875 4900 50  0000 L CNN
F 1 "1k" V 8875 4775 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 8950 4875 50  0001 C CNN
F 3 "~" H 8950 4875 50  0001 C CNN
	1    8950 4875
	0    1    1    0   
$EndComp
Text Label 8375 4875 0    50   ~ 0
GPS_RX3V3
Text Label 9650 4875 2    50   ~ 0
GPS_RX2V8
Wire Wire Line
	9175 4875 9175 5000
Wire Wire Line
	9175 5000 9250 5000
Connection ~ 9175 4875
Wire Wire Line
	9175 4875 9050 4875
$Comp
L power:GND #PWR01
U 1 1 6087E653
P 9775 5000
F 0 "#PWR01" H 9775 4750 50  0001 C CNN
F 1 "GND" H 9780 4827 50  0000 C CNN
F 2 "" H 9775 5000 50  0001 C CNN
F 3 "" H 9775 5000 50  0001 C CNN
	1    9775 5000
	1    0    0    -1  
$EndComp
Wire Wire Line
	9450 5000 9775 5000
Wire Wire Line
	2450 4800 2600 4800
Wire Wire Line
	2600 4800 2600 4950
Wire Wire Line
	2650 6300 2650 6150
Wire Wire Line
	2650 5950 2650 5825
$Comp
L Device:R_Small R19
U 1 1 5F5C8B1C
P 2650 6050
F 0 "R19" H 2450 6125 50  0000 L CNN
F 1 "200k" H 2425 6025 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 2650 6050 50  0001 C CNN
F 3 "~" H 2650 6050 50  0001 C CNN
	1    2650 6050
	1    0    0    -1  
$EndComp
Text Label 4200 6300 0    50   ~ 0
VBAT
$Comp
L Device:C_Small C5
U 1 1 60BB8C9B
P 4775 6050
F 0 "C5" V 4725 6075 50  0000 L CNN
F 1 "100u" V 4725 5825 50  0000 L CNN
F 2 "Capacitor_SMD:C_1206_3216Metric" H 4775 6050 50  0001 C CNN
F 3 "~" H 4775 6050 50  0001 C CNN
	1    4775 6050
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C14
U 1 1 60BD2B8F
P 4950 6050
F 0 "C14" V 5000 6075 50  0000 L CNN
F 1 "0.1u" V 5000 5850 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 4950 6050 50  0001 C CNN
F 3 "~" H 4950 6050 50  0001 C CNN
	1    4950 6050
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C16
U 1 1 60C3C216
P 6275 6025
F 0 "C16" V 6375 6025 50  0000 L CNN
F 1 "4.7u" V 6375 5875 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 6275 6025 50  0001 C CNN
F 3 "~" H 6275 6025 50  0001 C CNN
	1    6275 6025
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C18
U 1 1 60C56518
P 6500 6025
F 0 "C18" V 6600 6025 50  0000 L CNN
F 1 "0.1u" V 6600 5850 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 6500 6025 50  0001 C CNN
F 3 "~" H 6500 6025 50  0001 C CNN
	1    6500 6025
	1    0    0    -1  
$EndComp
$Comp
L open-Smartwatch:XC6209 U10
U 1 1 60CAB8DD
P 5800 6025
F 0 "U10" H 5800 6440 50  0000 C CNN
F 1 "XC6209" H 5800 6349 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23-5" H 5800 6325 50  0001 C CNN
F 3 "" H 5800 6325 50  0001 C CNN
	1    5800 6025
	1    0    0    -1  
$EndComp
Wire Wire Line
	4575 5875 4775 5875
Wire Wire Line
	4775 5875 4775 5950
Wire Wire Line
	4775 5875 4950 5875
Wire Wire Line
	4950 5875 4950 5950
Connection ~ 4775 5875
Wire Wire Line
	4950 5875 5125 5875
Connection ~ 4950 5875
Wire Wire Line
	5125 5875 5450 5875
Connection ~ 5125 5875
Wire Wire Line
	6150 5875 6275 5875
Wire Wire Line
	6275 5875 6275 5925
Wire Wire Line
	6275 5875 6500 5875
Wire Wire Line
	6500 5875 6500 5925
Connection ~ 6275 5875
Wire Wire Line
	6500 5875 6700 5875
Connection ~ 6500 5875
Wire Wire Line
	4775 6150 4775 6225
Wire Wire Line
	4775 6225 4950 6225
Wire Wire Line
	4950 6225 4950 6150
Connection ~ 4775 6225
Wire Wire Line
	4775 6225 4775 6300
Wire Wire Line
	5450 6175 5125 6175
$Comp
L power:GND #PWR016
U 1 1 60F867CC
P 6275 6275
F 0 "#PWR016" H 6275 6025 50  0001 C CNN
F 1 "GND" H 6280 6102 50  0000 C CNN
F 2 "" H 6275 6275 50  0001 C CNN
F 3 "" H 6275 6275 50  0001 C CNN
	1    6275 6275
	1    0    0    -1  
$EndComp
Wire Wire Line
	6275 6125 6275 6200
Wire Wire Line
	6500 6125 6500 6200
Wire Wire Line
	6500 6200 6275 6200
Connection ~ 6275 6200
Wire Wire Line
	6275 6200 6275 6275
Text Label 4550 6800 0    50   ~ 0
VCC
$Comp
L power:GND #PWR04
U 1 1 60FE8853
P 4775 7225
F 0 "#PWR04" H 4775 6975 50  0001 C CNN
F 1 "GND" H 4780 7052 50  0000 C CNN
F 2 "" H 4775 7225 50  0001 C CNN
F 3 "" H 4775 7225 50  0001 C CNN
	1    4775 7225
	1    0    0    -1  
$EndComp
Text Label 4250 7200 0    50   ~ 0
VBAT
$Comp
L Device:C_Small C6
U 1 1 60FE885A
P 4775 6975
F 0 "C6" V 4725 7000 50  0000 L CNN
F 1 "100u" V 4725 6750 50  0000 L CNN
F 2 "Capacitor_SMD:C_1206_3216Metric" H 4775 6975 50  0001 C CNN
F 3 "~" H 4775 6975 50  0001 C CNN
	1    4775 6975
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C15
U 1 1 60FE8860
P 4950 6975
F 0 "C15" V 5000 7000 50  0000 L CNN
F 1 "0.1u" V 5000 6775 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 4950 6975 50  0001 C CNN
F 3 "~" H 4950 6975 50  0001 C CNN
	1    4950 6975
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C17
U 1 1 60FE886C
P 6275 6950
F 0 "C17" V 6375 6950 50  0000 L CNN
F 1 "4.7u" V 6375 6800 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 6275 6950 50  0001 C CNN
F 3 "~" H 6275 6950 50  0001 C CNN
	1    6275 6950
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C19
U 1 1 60FE8872
P 6500 6950
F 0 "C19" V 6600 6950 50  0000 L CNN
F 1 "0.1u" V 6600 6775 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 6500 6950 50  0001 C CNN
F 3 "~" H 6500 6950 50  0001 C CNN
	1    6500 6950
	1    0    0    -1  
$EndComp
$Comp
L open-Smartwatch:XC6209 U13
U 1 1 60FE8878
P 5800 6950
F 0 "U13" H 5800 7365 50  0000 C CNN
F 1 "XC6209" H 5800 7274 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23-5" H 5800 7250 50  0001 C CNN
F 3 "" H 5800 7250 50  0001 C CNN
	1    5800 6950
	1    0    0    -1  
$EndComp
Wire Wire Line
	4550 6800 4775 6800
Wire Wire Line
	4775 6800 4775 6875
Wire Wire Line
	4775 6800 4950 6800
Wire Wire Line
	4950 6800 4950 6875
Connection ~ 4775 6800
Wire Wire Line
	4950 6800 5125 6800
Connection ~ 4950 6800
Wire Wire Line
	5125 6800 5450 6800
Connection ~ 5125 6800
Wire Wire Line
	6150 6800 6275 6800
Wire Wire Line
	6275 6800 6275 6850
Wire Wire Line
	6275 6800 6500 6800
Wire Wire Line
	6500 6800 6500 6850
Connection ~ 6275 6800
Wire Wire Line
	6500 6800 6700 6800
Wire Wire Line
	6700 6800 6700 6700
Connection ~ 6500 6800
Wire Wire Line
	4775 7075 4775 7150
Wire Wire Line
	4775 7150 4950 7150
Wire Wire Line
	4950 7150 4950 7075
Connection ~ 4775 7150
Wire Wire Line
	4775 7150 4775 7225
$Comp
L power:GND #PWR012
U 1 1 60FE8895
P 5375 6950
F 0 "#PWR012" H 5375 6700 50  0001 C CNN
F 1 "GND" V 5325 6975 50  0000 C CNN
F 2 "" H 5375 6950 50  0001 C CNN
F 3 "" H 5375 6950 50  0001 C CNN
	1    5375 6950
	0    1    1    0   
$EndComp
Wire Wire Line
	5375 6950 5450 6950
Wire Wire Line
	5450 7100 5125 7100
$Comp
L power:GND #PWR019
U 1 1 60FE88A3
P 6275 7200
F 0 "#PWR019" H 6275 6950 50  0001 C CNN
F 1 "GND" H 6280 7027 50  0000 C CNN
F 2 "" H 6275 7200 50  0001 C CNN
F 3 "" H 6275 7200 50  0001 C CNN
	1    6275 7200
	1    0    0    -1  
$EndComp
Wire Wire Line
	6275 7050 6275 7125
Wire Wire Line
	6500 7050 6500 7125
Wire Wire Line
	6500 7125 6275 7125
Connection ~ 6275 7125
Wire Wire Line
	6275 7125 6275 7200
Wire Wire Line
	6700 5775 6700 5875
$Comp
L power:+3V3 #PWR021
U 1 1 6105427A
P 6700 5775
F 0 "#PWR021" H 6700 5625 50  0001 C CNN
F 1 "+3V3" H 6715 5948 50  0000 C CNN
F 2 "" H 6700 5775 50  0001 C CNN
F 3 "" H 6700 5775 50  0001 C CNN
	1    6700 5775
	1    0    0    -1  
$EndComp
Wire Wire Line
	5125 5875 5125 6175
Text Label 1600 2650 0    50   ~ 0
3V3_2
Wire Wire Line
	1600 2650 1600 2775
Text Label 7550 750  0    50   ~ 0
3V3_2
Text Label 8400 750  2    50   ~ 0
3V3_2
Wire Wire Line
	5375 6025 5450 6025
$Comp
L power:GND #PWR07
U 1 1 60E7F415
P 5375 6025
F 0 "#PWR07" H 5375 5775 50  0001 C CNN
F 1 "GND" V 5325 6050 50  0000 C CNN
F 2 "" H 5375 6025 50  0001 C CNN
F 3 "" H 5375 6025 50  0001 C CNN
	1    5375 6025
	0    1    1    0   
$EndComp
Text Label 6700 6700 2    50   ~ 0
3V3_2
Wire Wire Line
	2350 4800 2450 4800
Wire Wire Line
	2250 4800 2350 4800
Connection ~ 2350 4800
Wire Wire Line
	2350 4650 2350 4800
Wire Wire Line
	10275 5400 10275 5650
$Comp
L power:PWR_FLAG #FLG01
U 1 1 5F95B57C
P 10275 5400
F 0 "#FLG01" H 10275 5475 50  0001 C CNN
F 1 "PWR_FLAG" H 10275 5573 50  0000 C CNN
F 2 "" H 10275 5400 50  0001 C CNN
F 3 "~" H 10275 5400 50  0001 C CNN
	1    10275 5400
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR059
U 1 1 5F95AB0A
P 10275 5650
F 0 "#PWR059" H 10275 5400 50  0001 C CNN
F 1 "GND" H 10280 5477 50  0000 C CNN
F 2 "" H 10275 5650 50  0001 C CNN
F 3 "" H 10275 5650 50  0001 C CNN
	1    10275 5650
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C22
U 1 1 5FB6680D
P 6675 1450
F 0 "C22" V 6725 1500 50  0000 L CNN
F 1 "0.1u" V 6725 1225 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 6675 1450 50  0001 C CNN
F 3 "~" H 6675 1450 50  0001 C CNN
	1    6675 1450
	1    0    0    -1  
$EndComp
Wire Wire Line
	7550 825  6675 825 
Wire Wire Line
	6675 825  6675 1350
Connection ~ 7550 825 
Wire Wire Line
	7550 825  7550 950 
Wire Wire Line
	6675 1550 6675 2100
Wire Wire Line
	6675 2100 7450 2100
Connection ~ 7450 2100
$Comp
L Device:C_Small C21
U 1 1 5FBADDF0
P 900 4450
F 0 "C21" V 970 4520 50  0000 L CNN
F 1 "10p" V 950 4225 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 900 4450 50  0001 C CNN
F 3 "~" H 900 4450 50  0001 C CNN
	1    900  4450
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C20
U 1 1 5FBAD886
P 750 4450
F 0 "C20" V 820 4520 50  0000 L CNN
F 1 "100p" V 800 4225 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 750 4450 50  0001 C CNN
F 3 "~" H 750 4450 50  0001 C CNN
	1    750  4450
	1    0    0    -1  
$EndComp
Wire Wire Line
	750  4350 750  4150
Wire Wire Line
	750  4150 600  4150
Connection ~ 600  4150
Wire Wire Line
	600  4150 600  4350
Wire Wire Line
	750  4150 900  4150
Wire Wire Line
	900  4150 900  4350
Connection ~ 750  4150
Wire Wire Line
	750  4550 750  4800
Connection ~ 750  4800
Wire Wire Line
	750  4800 600  4800
Wire Wire Line
	900  4550 900  4800
Connection ~ 900  4800
Wire Wire Line
	900  4800 750  4800
Wire Wire Line
	5125 6800 5125 7100
Wire Wire Line
	2725 1950 2725 2100
Wire Wire Line
	2925 1950 2925 2100
$Comp
L open-Smartwatch:BMA400 U2
U 1 1 5F6C61F2
P 2825 1450
F 0 "U2" H 2425 1950 50  0000 L CNN
F 1 "BMA400" H 2975 1000 50  0000 L CNN
F 2 "open-Smartwatch:LGA-12_2x2mm_P0.5mm" H 3825 1000 50  0001 C CIN
F 3 "https://ae-bst.resource.bosch.com/media/_tech/media/datasheets/BST-BMA400-DS000.pdf" H 2825 1450 50  0001 C CNN
F 4 "828-1081-1-ND" H 3335 905 50  0001 C CNN "DigiKey_PN"
F 5 "Bosch Sensortec" H 3315 830 50  0001 C CNN "Manufacturer"
F 6 "BMA400" H 3150 745 50  0001 C CNN "MPN"
	1    2825 1450
	1    0    0    -1  
$EndComp
Wire Wire Line
	2325 1600 2225 1600
Wire Wire Line
	2225 1600 2225 2100
Wire Wire Line
	2225 2100 2725 2100
$Comp
L Device:R_Small R23
U 1 1 60248951
P 9350 5625
F 0 "R23" V 9275 5725 50  0000 L CNN
F 1 "56k" V 9275 5525 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 9350 5625 50  0001 C CNN
F 3 "~" H 9350 5625 50  0001 C CNN
	1    9350 5625
	0    1    1    0   
$EndComp
Wire Wire Line
	9650 5500 9175 5500
Wire Wire Line
	8325 5500 8850 5500
$Comp
L Device:R_Small R20
U 1 1 6024895D
P 8950 5500
F 0 "R20" V 8875 5525 50  0000 L CNN
F 1 "10k" V 8875 5400 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 8950 5500 50  0001 C CNN
F 3 "~" H 8950 5500 50  0001 C CNN
	1    8950 5500
	0    1    1    0   
$EndComp
Text Label 8325 5500 0    50   ~ 0
GPS_FON3V3
Text Label 9650 5500 2    50   ~ 0
GPS_FON2V8
Wire Wire Line
	9175 5500 9175 5625
Wire Wire Line
	9175 5625 9250 5625
Connection ~ 9175 5500
Wire Wire Line
	9175 5500 9050 5500
$Comp
L power:GND #PWR06
U 1 1 6024896D
P 9775 5625
F 0 "#PWR06" H 9775 5375 50  0001 C CNN
F 1 "GND" H 9780 5452 50  0000 C CNN
F 2 "" H 9775 5625 50  0001 C CNN
F 3 "" H 9775 5625 50  0001 C CNN
	1    9775 5625
	1    0    0    -1  
$EndComp
Wire Wire Line
	9450 5625 9775 5625
Wire Notes Line
	8150 3450 8150 5500
Text Notes 7175 5875 0    50   ~ 0
BATTERY
Text Label 7175 5975 0    50   ~ 0
VBAT
Wire Wire Line
	7175 6075 7175 6175
$Comp
L power:GND #PWR032
U 1 1 5FA67800
P 7175 6175
F 0 "#PWR032" H 7175 5925 50  0001 C CNN
F 1 "GND" H 7180 6002 50  0000 C CNN
F 2 "" H 7175 6175 50  0001 C CNN
F 3 "" H 7175 6175 50  0001 C CNN
	1    7175 6175
	1    0    0    -1  
$EndComp
Wire Wire Line
	7425 6075 7175 6075
Wire Wire Line
	7425 5975 7175 5975
$Comp
L Connector_Generic:Conn_01x02 J1
U 1 1 5FA4BA83
P 7625 5975
F 0 "J1" H 7575 6075 50  0000 L CNN
F 1 "Conn_01x02" H 7575 5775 50  0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 7625 5975 50  0001 C CNN
F 3 "~" H 7625 5975 50  0001 C CNN
	1    7625 5975
	1    0    0    -1  
$EndComp
Wire Notes Line
	8150 5550 8150 6450
Wire Notes Line
	8150 5550 6925 5550
Wire Notes Line
	6925 6450 8150 6450
Wire Notes Line
	500  5550 6875 5550
Text Notes 8225 4625 0    50   Italic 10
LEVEL SHIFTERS
Text Label 3325 4100 0    50   ~ 0
GPS_FON3V3
Wire Wire Line
	3325 4100 3750 4100
Wire Wire Line
	8325 5925 8850 5925
$Comp
L Device:R_Small R24
U 1 1 60591580
P 8950 5925
F 0 "R24" V 8875 5950 50  0000 L CNN
F 1 "1k" V 8875 5825 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 8950 5925 50  0001 C CNN
F 3 "~" H 8950 5925 50  0001 C CNN
	1    8950 5925
	0    1    1    0   
$EndComp
Text Label 8325 5925 0    50   ~ 0
GEO_F3V3
Text Label 9650 5925 2    50   ~ 0
GEO_F2V8
Wire Wire Line
	9050 5925 9650 5925
Wire Wire Line
	8325 6150 8850 6150
$Comp
L Device:R_Small R25
U 1 1 60632420
P 8950 6150
F 0 "R25" V 8875 6175 50  0000 L CNN
F 1 "1k" V 8875 6050 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 8950 6150 50  0001 C CNN
F 3 "~" H 8950 6150 50  0001 C CNN
	1    8950 6150
	0    1    1    0   
$EndComp
Text Label 8325 6150 0    50   ~ 0
3DFIX_3V3
Text Label 9650 6150 2    50   ~ 0
3DFIX_2V8
Wire Wire Line
	9050 6150 9650 6150
Text Label 3000 3250 1    50   ~ 0
GEO_F2V8
Wire Wire Line
	2600 3300 3000 3300
Text Label 2800 3100 1    50   ~ 0
3DFIX_2V8
Wire Wire Line
	1000 4000 725  4000
Text Label 725  3950 1    50   ~ 0
GPS_FON2V8
Wire Wire Line
	725  3950 725  4000
Wire Wire Line
	3000 3250 3000 3300
Wire Wire Line
	2800 3100 2800 3150
Wire Wire Line
	2800 3150 2600 3150
Text Label 3375 3500 0    50   ~ 0
GEO_F3V3
Text Label 3375 3400 0    50   ~ 0
3DFIX_3V3
Wire Wire Line
	3375 3400 3750 3400
Wire Wire Line
	3375 3500 3750 3500
Wire Notes Line
	8200 4500 9950 4500
Wire Notes Line
	8200 4500 8200 6450
Wire Notes Line
	8200 6450 9950 6450
Wire Notes Line
	9950 4500 9950 6450
$Comp
L open-Smartwatch:PSRAM64H U3
U 1 1 60479EAC
P 6900 3000
F 0 "U3" H 6875 3415 50  0000 C CNN
F 1 "PSRAM64H" H 6875 3324 50  0000 C CNN
F 2 "Package_SO:SOP-8_3.9x4.9mm_P1.27mm" H 6900 3000 50  0001 C CNN
F 3 "" H 6900 3000 50  0001 C CNN
	1    6900 3000
	1    0    0    -1  
$EndComp
Wire Notes Line
	10000 4500 10000 6450
Wire Notes Line
	10000 6450 11100 6450
Wire Notes Line
	11100 6450 11100 4500
Wire Notes Line
	11100 4500 10000 4500
Text Label 7600 3150 2    50   ~ 0
SD1
Wire Wire Line
	7600 3150 7400 3150
Wire Wire Line
	4650 5250 4650 5050
Wire Wire Line
	4350 5250 4350 5050
Text Label 7600 3050 2    50   ~ 0
CLK
Wire Wire Line
	7600 3050 7400 3050
Wire Wire Line
	4450 5250 4450 5050
Text Label 5350 4100 2    50   ~ 0
SD0
Wire Wire Line
	5350 4100 5050 4100
Wire Wire Line
	7600 2950 7400 2950
NoConn ~ 5050 4200
Text Label 6050 2850 0    50   ~ 0
GPIO10
Wire Wire Line
	6050 2850 6350 2850
Text Label 6050 2950 0    50   ~ 0
SD0
Text Label 6050 3050 0    50   ~ 0
SD3
Wire Wire Line
	6050 3050 6350 3050
Wire Wire Line
	6050 2950 6350 2950
Text Label 7600 2950 2    50   ~ 0
SD2
$Comp
L power:GND #PWR0102
U 1 1 607FDB2C
P 6150 3150
F 0 "#PWR0102" H 6150 2900 50  0001 C CNN
F 1 "GND" H 6155 2977 50  0000 C CNN
F 2 "" H 6150 3150 50  0001 C CNN
F 3 "" H 6150 3150 50  0001 C CNN
	1    6150 3150
	1    0    0    -1  
$EndComp
Wire Wire Line
	6150 3150 6350 3150
$Comp
L power:+3V3 #PWR0103
U 1 1 60844B34
P 7600 2800
F 0 "#PWR0103" H 7600 2650 50  0001 C CNN
F 1 "+3V3" H 7615 2973 50  0000 C CNN
F 2 "" H 7600 2800 50  0001 C CNN
F 3 "" H 7600 2800 50  0001 C CNN
	1    7600 2800
	1    0    0    -1  
$EndComp
Wire Wire Line
	7600 2800 7600 2850
Wire Wire Line
	7600 2850 7400 2850
Text Label 3850 5350 0    50   ~ 0
GPIO10
Text Label 4650 5250 1    50   ~ 0
SD1
Text Label 4350 5250 1    50   ~ 0
SD2
Text Label 4450 5250 1    50   ~ 0
CLK
Text Label 4550 5250 1    50   ~ 0
SD3
Wire Wire Line
	4550 5250 4550 5050
Wire Wire Line
	5050 4500 5350 4500
Text Notes 7850 2600 0    50   Italic 10
PSRAM
$Comp
L Device:C_Small C12
U 1 1 60AB69ED
P 7800 3000
F 0 "C12" H 7870 3070 50  0000 L CNN
F 1 "0.1u" H 7840 2930 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 7800 3000 50  0001 C CNN
F 3 "~" H 7800 3000 50  0001 C CNN
	1    7800 3000
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR010
U 1 1 60ADBB19
P 7800 3150
F 0 "#PWR010" H 7800 2900 50  0001 C CNN
F 1 "GND" H 7805 2977 50  0000 C CNN
F 2 "" H 7800 3150 50  0001 C CNN
F 3 "" H 7800 3150 50  0001 C CNN
	1    7800 3150
	1    0    0    -1  
$EndComp
Wire Wire Line
	7800 3150 7800 3100
Wire Wire Line
	7800 2900 7800 2850
Wire Wire Line
	7800 2850 7600 2850
Connection ~ 7600 2850
$EndSCHEMATC