This is based on an existing project that reaches out to www.openweathermap.org for weather and forecast data. I’ll be overlaying my sensor data for the current conditions.
Project code can be found at https://github.com/G6EJD/ESP32-e-Paper-Weather-Display
Operation
Wakes and gets subscription data from mqtt broker every 30 minutes
Pinout requirements (existing and new layout general purpose low power PCB design)
Pin Number (header) | ESP function | ESP32 v1 dev board reference | Raw ESP32 header |
|---|---|---|---|
1 | 3V3 | 1 | |
2 | GND | 2 | |
3 | D4 | 5 | |
4 | RX2 | 6 | |
5 | TX2 | 7 | |
6 | D5 | 8 | |
7 | D18 | 9 | |
8 | D23 | 15 |
Photo of ESP32 v1 dev board interconnect
