Making a servo tester using an Attiny85 micro chip, Attiny45 also works for this project. This diy servo tester is as good as any other servo tester, the difference is that it can be programmed to do ...

Like many nerds, I have an interest in cryptography rooted in the wartime exploits of codebreaker and Ur-computer scientist Alan Turing. So I’ve followed with interest IEEE Spectrum’s reporting on the ...

1. Joints - The Foundation of Movement Joints are the moving links in a robotic arm. They let the arm bend, rotate, or change ...

This easy-to-build walking reindeer can be constructed with only a bow motor, battery, wires, and a few other parts.

Understanding your dog's wants and needs isn't always easy, but there's a lot they can tell you if you teach them to use the best dog talking buttons. These devices are adapted from pressable ...

Build festive decorations using Arduino and Raspberry Pi with these five creative holiday projects and video tutorials ...

Drew Swanson is a Features Article Editor from the Pacific Northwest of the United States. He is a lifelong gamer with a passion for a variety of genres. A connoisseur of everything from JRPGs and ...

The LILYGO T-Echo Plus is another off-grid LoRa communicator, similar to Blackout Comms, ThinkNode M2, and Wio Tracker L1 Pro ...

Is someone on your list hard to shop for? We've got a ton of great options for just about anyone. And grab a little something ...

Elecrow “All-in-One Starter Kit for ESP32-P4” is an open-source learning and prototyping platform based on the ESP32-P4 ...

Check out the latest stories, videos, and podcasts from the week of Dec. 8, 2025. During research for a newly opening museum ...

We’re all used to Bluetooth chips coming in QFN and BGA formats, at a minimum of 30-40 pins, sometimes even a hundred. What ...