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“This is another of those crazy ideas that have been rolling around in my head for a while now. I have previously used super-regenerative circuits as logarithmic detectors, and built super-regenerative super-heterodyne receivers - it wasn’t a huge leap to …
“The basic principle behind this circuit is the idea of using a Schottky diode to detect the cell phone signal.”
“In this Instructable I would like to share with you my most recent project, an AVR-based universal battery charger. What does it mean universal battery charger? Well, it can charge batteries. And it can charge all four basic types …
“As so many people you think Arduino is a very good solution to do domotic and robotic ! But in term of communication Arduinos just come with serial links. I am working on a robot that need to be permanently connected …
“This instructable is for people who wants to make a bit more advanced version of the typical lightning LED cloud. This one is made with a mechanical switch instead of the versions with a normal IR remote. I find that …
“Pathfinder is a wearable device that translates distance into haptic feedback. Users just wear the wristband (or glove) and point at objects up to 500 centimeters away, and feel gentle pulses at their fingertips corresponding to the object’s distance …
“Building an Arduino project isn’t just about making all the components talk to one another. It’s about creating an actual object or prototype out of your small creation, and giving it that extra touch that makes it unique …
“Hi friends. Today in this instructable, I am going to show you how to make simple red laser. You must have seen that lasers require a lot of complex circuits using various types of ICs and transistors. Today, in this …
“This Instructable is about getting Tiny Tetris running on a 128x64 OLED display using an Arduino Nano or Uno.”
“In this Instructables, I will show you How to step down DC voltage efficiently. for supplying power to Arduio or any other components required 5v or 3.3v. If you use LM7805 it having poor efficiency about 30%.It also …