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 ...

Naturally, one of the best ways to learn electronics is to see how someone more experienced designed something. Whether you’ll dismantle one device or reverse-engineer a design, it gives you ...

The Arduino is an amazing piece of technology that can be used to power all kinds of gadgets, often using nothing more than a battery and various components that don’t cost more than a few bucks.