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First complete prototype

  • Firebeetle ESP32-E
  • Display:
    • DESPI-C02
    • GDEW0213M21
  • Sensor:
    • DS18B20-PAR
    • 4.7 kOhm resistance
  • Battery:
    • RS Pro 18650 26H Li-ion Battery Pack (2.6 Ah)
ESP32 DESPI-C02
3.3V 3.3V
GND GND
MOSI SDI
SCK   SCK
0/D5 CS
2/D9 D/C
25/D2 RES
26/D3 BUSY
ESP32 DS18B20-PAR
4/D12 DQ (middle pin)
3.3V 4.7 kOhm DQ (middle pin)
GND GND (left when looking at flat face)

Assembled first prototype

BMP390L minimal setup

  • Firebeetle ESP32-E
  • Sensor:
    • Fermion: BMP390L Digital Barometric Pressure Sensor (Breakout)
ESP32 BPM390L breakout board
3V3  3V3
GND  GND
SCL  SCL
SDA  SDA