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Build Adjustable DC-DC Converter on Flowerpad Protoboard
AC-LED Night Lamp
Yet another simple nightvision
Portable USB phone - iPod charger using Swiched mode power supply
Hack a trickle solar vehicle charger
Build your own Mini Arcade Cabinet with Raspberry Pi
DIY Variable bench power supply
Cordless tool battery to USB charger
High Power LED Driver Circuits
Filters for lenses without threads
Posted:Apr 21, 2009
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