Portal of "Dieu* de Briefcase"
* The French word 'Dieu' means 'God'. Used here solely for the sake of its resemblance to Cantonese.
GENERALIZED CURRENT DIVIDER FORMULA
A simple equation (trick) that can save you a lot of time in analyzing passive circuits. Download it in PDF or LaTeX
Low-Cost Serial LCD - Convert a Discount LCD into a Serial ASCII Display: Circuit Cellar, Issue 161, Dec 2003, p.36-39 (1, 2, 3, 4)
Convert Your PC Sound Card into a Arbitrary Waveform/Signal Generator - Using modulation methods: Circuit Cellar, Issue 147, p.36-43 (1, 2, 3, 4, 5)
http://www.hackaday.com/: they love modifying electronics as much as I do.
Twibright Ronja Official Homepage: 10Mpbs robust light communication built from homemade components
Hacking A Mouse For Encoders: Get expensive optical encoders from cheap mouse.