atmega168

Build a Complete AVR System and Play Mastermind Using Microcontrollers

The game Mastermind has been around a long time, and I remember getting a board version with colored pegs when I was a kid. I love this game, as it is solvable simply by pure logic. One player (or a computer/microcontroller) chooses a sequence of colors from a pool of available colors and then the […]

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Build your own cheap multi function wireless camera controller using Microcontroller AVR ATMega8

Build your own (cheap!) multi-function wireless camera controller using Microcontroller AVR ATMega8

Introduction Ever fancied building your own camera controller? IMPORTANT NOTE: Capacitors for the MAX619 are 470n or 0.47u.  The schematic is correct, but the component list was wrong – updated. This is an entry into the Digital Days competition so if you find it useful, please rate/vote/comment favourably!  If you reallly like it and are a stumbler,

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Color Changing Digital PC Fan Controller using Microcontroller ATMega168

We’ve all seen LED fans that you can put in your computer to make it look cool.  They usually come in blue, sometimes red or green and consist of a basic PC fan with 4 bright LED’s mounted in the 4 corners.  They source their voltage from the fan’s power input, so if you’re using

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Circuit design 1

Rechargeable Battery Capacity Tester using Microcontroller ATMega168

Do you have a pile of AA rechargeable batteries in your drawer? Some are old, some are new, but which sets would you bring with your camera on your next trip, and which ones are past their useful life? I like using rechargeable batteries, but I’m certain that some of them are not living up

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