Ken Shirriff's blog

In this article, I show how overflow is computed in the 6502 microprocessor at the transistor and silicon level. I've discussed the mat...

The overflow flag on the 6502 processor is a source of myth and confusion. In this article, I explain signed and unsigned binary arithmetic...

In this article I tear down a 4-port USB charger of puzzling origin. This charger is a huge step above the $2 counterfeit chargers I examine...

This tutorial describes how to create a custom schematic symbol in the CadSoft Eagle editor . It assumes that you have some familiarity with...

Many oscilloscopes have advanced spectral analysis features that perform Fourier Transforms on measured signals to generate a frequency spec...