Quite simple ESP32 based device that allows to display basic GPS data on OLED screen and measure distance in a straight line.
More about this device is available here. If you want to know more about ESP32, you might want to visit my website too.
- TX pin on GPS goes to ESP32 board pin 16 (Serial pin RX)
- RX pin on GPS goes to ESP32 board pin 17 (Serial pin TX)
- OLED SDA to pin 4
- OLED SCL to pin 15