Sonar + radar = Sodar. It eliminates camera at private places without compromising surveillance.
Project in progress by Team Tiny Ants
Ever wanted to play with the computer that sparked the personal computer age but don't have the cash to buy an Altair?
Build your own!
Project tutorial by David Hansel
I have started to build it for a homemade amplifier, to set the speed of the fans by the temp of the heathsink and so on.
Project in progress by makeeuropeanu
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