I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. After some searching, I ended up using a microcontroller and a piece ...

This post is a review of the popular waterproof ultrasonic sensor JSN-SR04T. I hope this will serve as a backdrop for some interesting ultrasonic distance sensor experiments and projects. A number of ...

In 2026, Arduino has quietly revolutionized the DIY landscape, moving beyond basic blinking LEDs to become a powerhouse for home interior upgrades. The launch of the AI-powered Cloud Editor and the ...