ESP32 based VIX ticker with LCD display
- ESP-32S WROOM-32 WiFi
- TFT LCD 1.8 ST7735 Display
- 3D printer to print case
- Momentary Pushbutton Switch - 12mm Square
Wiring between ESP32 and ST7735
- GND -> GND
- VCC -> 3.3
- SCL -> D18 (SCLK)
- SDA -> D23 (MISO)
- RES -> D16
- DC -> D15
- CS -> D2
- BL -> D12
Wiring between ESP32 and button
- LEG1 -> GND
- LEG2 -> D13
USB-C is used for power delivery.
Due to this particular VIX values being used only by certain Marker Makers (MM) brokers and not in financial APIs, they are obtained by reading data directly from webiste in intervals specified in timerDelay
variable. To connect to your WiFi ssid
and password
variables must be supplemented. Push button for 1 second do disable LCD screen without powering off devie.
Case consists of two parts, main case and back panel. Switch is pressfitted into back panel. Gap over the screen cut-out can be hard to print without sagging, it is advised to print this part with supports enabled.