Welcome back to the world of Force Sensitive Resistors (FSRs), and a revision of my original entry in 2015. https://www.edn.com/arduino-fsr-experiment-and-a-garbage ...

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 ...

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 ...