OK thanks again for the great software... just a thought on esp32 version.. i only just realised that the esp32 has an internal hall effect sensor... tried this code and it works great... could this ...

Example sensor read for ESP32-based devices. Contribute to nubificus/esp32-sensor-read development by creating an account on GitHub.

I've been playing around with a couple of ESP32 microcontrollers, and that experimentation has taught me a lot about sensors and what you can build for really, really cheap. For as little as $4, you ...

There’s a huge market for 433 MHz alarm system hardware out there, from PIR motion detectors to door and window sensors. If you want to put them to work, all you need is a receiver, a network-enabled ...

Zigbee is a protocol that has been around for quite a long time, and you can purchase many cheap smart sensors to incorporate into your own Zigbee network. Zigbee is its own network, meaning that it ...

Abstract: Fire detectors and monitoring systems have been proven to save many lives, making them a promising investment. A fire detector is well acknowledged as one of the best preventive measures to ...