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“If you have looked at my 5 LED ATtiny85 POV display, we programmed the ATtiny with the Arduino. (If you haven’t seen it, click here) We will be doing the same thing for this LED Dice project. The total …

“In this project I will show you how a buck/boost converter (flyback) works and how you can easily build one that can step up and step down DC voltage efficiently. Let’s get started!”

“For some projectes with rapsberry and the smaller arduinos I need to switch some relays. Because of the GPIO outputlevel (3,3V) its hard to find some relays that are able to switch larger loads and can operated directly with …

“This is my line follower with PID and arduino. It does 90 degree turns.”
“A couple of years ago I was given a non-working 50” Philips flat-panel TV. As is often the case with these things, there was actually very little wrong with it and in this instance it was a pair of bad …

“Learn how to build a metal detector using a Colpitts oscillator and an Arduino. In the above circuit, the series capacitor and inductor form a tank circuit. In an ideal tank circuit, the electrical energy dissipated from the capacitor will …

“Today I am back with another project called DIY AUTOMATIC SOLAR CHARGE CONTROLLER. It’s an automatic switching circuit that used to control the charging of a battery from solar panels or any other source. It’s a 555 based …

“I wanted to make a clock. Clocks can be cool. However the internet is filled with projects about making clocks, so I wanted to make something special. And that is how Nuw originated. Nuw is an abbrevation of Nerds Ultimate …

“This is a continuous bi-copter project aimed at making low cost & repairable UAVs. The reason this is concise is that there’s already lots of info on other sources & I don’t want to drag away from the main focus …

“The RetroChallenge is upon us again! This time around, I plan on working on my Z80 homebuilt computer, the RC2014. (Website for RC2014, Order a RC2014) For a few months now, I’ve had my RC-2014 computer built, and …