Using the ESP32-H2 is more economical than the $25 nRF52840 MDK USB dongle to build an OpenThread Border Router. That’s ...
The project uses an ESP32C3, BMP280 temp & pressure sensor, a relay, and a sacrificed USB wall charger to convert mains AC ...
Replacing the IR sensors with ESP32-CAM to increase the efficiency and handle the more congested lane.