October 25, 2008 by Chris
If you've ever wanted to make your own PCB board this is a great project write-up to read through. The author has built a custom board & layout for the AT Tiny microcontroller which he eventually turned into a line-following robot.
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October 15, 2008 by Chris
The spectrum analyzer is most useful for checking the range of frequencies from a given signal. This project is attempts to build a homebrew spectrum analyzer based off of various other designs from the internet. You'll find many useful links in this project write-up.
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October 13, 2008 by Chris
For a strictly electrical engineering related project here is a low pass filter design. The project write-up goes through all the details from mathematical start to completed circuit finish. If you are into the wacky world of filter design, you'll want to take a look.
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September 21, 2008 by Chris
Most microcontroller programmers are actually very simple devices that can be made by yourself. Being that programmers range from $50+, so it can be a good investment or backup programmer. The parts are very cheap and this project write-up is clean with step-by-step instructions. Give it a look see!
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September 19, 2008 by Chris
NiMH rechargeable batteries have been around for quite some time and have proven their worth. This type of rechargeable battery can be found inside things from electric cars to electric tooth-brushes. Today's simple project makes use of a microcontroller for controlling the recharging of the battery and turning off when recharging has completed.
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