If you want to get started with motion sensors and the like, ESPHome makes it incredibly easy to build your own sensors.

Built your very own parking sensors for the car using nothing more than an Arduino board and cheap components you can find online ...

Dramatic photos of haboob show dust storm swallowing the city of Phoenix ...

The Arduino ecosystem is an amazing learning tool, but even those of us who love it admit that even the simplified C Arduino ...

This paper shredder bin monitor is an easy Arduino project for beginners to get into. It uses an ultrasonic sensor, which is placed inside the bin, to detect the trash level.

Capacitive touch sensors are entirely in the domain of DIY, requiring little more than a carefully-chosen conductive surface ...