This ESP32 development board pairs nicely with our energy meters. Additionally it is slim (22.86mm spaced pins) and can easily fit on breadboards.
To program this board needs the IO0 button held down.
- 2.4GHz Dual Mode WiFi + Bluetooth Development Board
- Ultra-Low power consumption, works perfectly with the Arduino IDE
- Compact form factor – 25.4mm x 48.26mm