As I've experimented and played with a lot of different sensors, I've discovered that these basic devices can be built for ...

Pellet Level Monitor for Home Assistant with HC-SR04 and ESP8266. Posted: May 6, 2025 | Last updated: May 6, 2025. Hi, I'm Bill. I'm a software developer with a passion for making and electronics.

Introduced back in June, the IKEA VINDRIKTNING is a $12 USD sensor that uses colored LEDs to indicate the relative air quality in your home depending on how many particles it sucks up. Looking to i… ...

It’s really hard to overstate how awesome ESP8266 development boards like the Wemos D1 Mini really are. For literally a couple of dollars you can get a decently powerful Wi-Fi enabled microco… ...