Everyone needs a negative voltage rail eventually, but most only have a single rail supply. This project will show you how to build a negative voltage generator that runs off a single rail supply!
June 07, 2018 by Robin Mitchell
This project introduces ATmega328P fuse bits and shows how to set them to use an external 16 MHz crystal oscillator.
August 03, 2017 by Charles R. Hampton
Nowhere to hide presents this holiday season? No problem! This alarm will sound anytime a loved one tries to get a sneak peek at his or her surprise.
December 05, 2016 by Ryan Jones
Building a metal detector using a Colpitts oscillator and an Arduino.
October 03, 2016 by Evan Kale
Build a 1V octave voltage-controlled oscillator (VCO) module and create your own analogue synth sounds.
August 08, 2016 by Robin Mitchell
Part 2 in the “How to Make an EFM8-Based Sound Synthesizer” series.
September 11, 2015 by Robert Keim
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