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“I wanted a custom board to add nRF24L01+ radios to my Raspberry Pi’s. I wanted the solution to be reasonably elegant and fit into my Pi cases without removing the capability of adding a camera and other accessories. This …
“I love the Attiny 85 series and like to explore all the things you can do with it. As it doesnt have too many pins, using I2C hardware on it is a good idea. I2C on the attiny can be …
“Under a microscope, a silicon chip is a mysterious world with puzzling shapes and meandering lines zigzagging around, as in the magnified image of a 7805 voltage regulator below. But if you study the chip closely, you can identify the …
“This project was for ‘Creative Electronics’, a Beng Electronics Engineering 4th year module at the University of Málaga, School of Telecommunications. I would like to start this project by saying that, in the first place, all this was intended to …
“YALT, YALT, YALT…, or “Yet Another LED Tester”. There are already several different types of LED testers on Instructables. So why another? Well, it started after I accidentally bumped over one of my component drawers. The drawer was filled with …
“Many AA or AAA battery chargers charge batteries in pairs, but plenty of devices use 1 or 3 batteries, meaning that some of your batteries get overcharged and some get undercharged. NiCd and NiMH batteries also benefit from an occasional …
“In this article we will be controlling the flow of Heat or Air Conditioning to a room. Lets say you have a room, like a spare bedroom, that you do not use that often. Does it really need to be …
“As my projects evolved in my mind there comes a time to make the ideas come truth and so the project below became reality. Its an Arduino based soil moisture sensor, with 16,x2 LCD, real time clock (which keeps …
“Talking computers were on fire 20 to 30 years ago. Movies like War Games and TV series like Knight Rider featured electronics speaking to their human operators. Speak-n-Spell machines taught a generation of children. Then the magic was out of …
“Today we going to make an ULTRASONIC RADAR, we will be using the Arduino IDE to make the sketch for receive the data of the ultrasonic sensor and to send instructions to our servomotor. The Processing program is to make …