Capacitor Selection Guide
Selecting components is boring, but capacitors are specially annoying because they come in many different varieties. This post tries to throw some light to the process.
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Reclaiming PCB manufacture
A compilation of random DIY research on handmade PCB manufacture.About circuits and assumptions
Recently I took a look to the excellent book The Art of Electronics (by Horowitz and Hill) and I got kind of frustrated that they avoided "hard" math. I can understand why they decided to do that but at the same time, it's kind of weird to me to say to people "this involves a lot of math so just consider it's true".