If you love tinkering, ESPHome is a fantastic way to build custom smart home devices. This open-source firmware framework gives you local control over smart home devices that support open standards.

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 ...

Like swimming pools, hot tubs need regular monitoring to ensure their water stays clean and clear. An average person might take a water quality reading once or twice a week using test strips, but such ...

The BME280 sensor was easier to set up, as it communicates over the I2C serial protocol. This means that we only needed to ...