At the heart of the “Walter” board lies the ESP32-S3 microcontroller, equipped with 2MB of RAM and 16MB of flash memory.
A rduino boards are a popular choice for DIY electronics, but it's not always clear how to get started with building projects ...
The project uses an ESP32C3, BMP280 temp & pressure sensor, a relay, and a sacrificed USB wall charger to convert mains AC ...