Although most modern microcontrollers have ADC's (analog to digital converter) inside of them, you might someday find yourself without one. This little project shows you how to make a simple analog ADC using RC theory.
PyroFactor: 
February 8, 2009 by Chris
We've seen quite a few DIY Oscilloscopes and here one more! This one is rather unique in that it as minimal as possible using a 12xxxx series PIC and outputting to a standard TV.
PyroFactor: 
February 6, 2009 by Chris
Hot Wheels makes a cheap radar gun that can actually work to clock the speed of objects. If you've ever been interested in radar this is a great place to start. The circuitry inside is as simple as it gets for radar (which is still fairly complex). Take a look!
PyroFactor:
January 17, 2009 by Chris
Today's project is an old fashioned one for amateurs and experts: The Battery Tester. It checks to see if the battery has any juice left to power appliances. The design is purely analog so parts are cheap and the tester is very small. Take a look!
PyroFactor:
January 14, 2009 by Chris
This project is a great start for anyone interesting in the world of power electronics. There is nothing too special about the circuit except that it does what it is suppose to and is completely analog. The hardware circuit diagram is in the project write-up along with all details necessary to build this one.
PyroFactor: 
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