There’s a huge market for 433 MHz alarm system hardware out there, from PIR motion detectors to door and window sensors ... 433 MHz receiver module to an ESP32 or ESP8266 microcontroller ...

Meanwhile the Mini uses a pressure sensor for the brush along with motion sensors to keep track ... With this feature provided by the ESP32-C3 SoC inside the device, the question was how secure ...

Bart Dring's 6x CNC Controller is an ESP32-powered, FluidNC-compatible CNC controller board with support for 6 external ...