A maker shared an electronics project on Digikey that explains an automatic system for recognizing and organizing resistors using an Arduino Uno Q. Zach Hipps did the work and looked for methods to ...

No VPN or exposing ports necessary.

When 12-year-old Matteo Mucchetti mapped out an amusement-style attraction that he wanted to create in his family’s basement and then showed it to his older brother Nico, the high-school sophomore was ...

What happens when students stop building for grades and start building like engineers? This competition tested more than ideas.

Reverse polarity is one of the most common causes of circuit failure, from hobby projects to industrial systems. The good news is that a well-designed reverse polarity protection using MOSFET ...

Arduino is a microcontroller designed for real-time hardware control with very low power use. Raspberry Pi is a full computer that runs operating systems and handles complex tasks. Arduino excels at ...

So, you’ve got a welder lying around and you’re thinking, ‘Could I actually turn this into a 3D printer?’ Well, it’s not ...

Discover how to harness the motion of a swinging pendulum to generate electricity and charge your smartphone in this hands-on DIY tutorial. Watch as a small electric motor is disassembled and ...

A large solar and battery storage project is moving forward on a 4,500-acre lease within the Navajo Nation. Most of the power will be used elsewhere. Nearby residents have raised concerns about the ...

Schematics diagram + PCB diagram (KiCAD 9) and case 3D model (Blender) are also provided. This project is a work-in-progress. Based on the well-known TransistorTester work of Karl-Heinz Kübbeler.