The Yamaha DX7 synthesizer's clever exponential circuit, reverse-engineered
Computer history, restoring vintage computers, IC reverse engineering, and whatever The Yamaha DX7 synthesizer's clever exponential circuit, reverse-engineered The Yamaha DX7 digital synthesizer was released in 1983 and became extremely popular, defining the sound of 1980s pop music. Because microprocessors weren't fast enough in the early 1980s, the DX7 used two custom digital chips: the EGS "env
GitHub - aappleby/metroboy: A repository of gate-level simulators and tools for the original Game Boy.
GateBoy is a gate-level simulation of the original Game Boy hardware that was reverse-engineered from die shots of the original DMG-01 chip. It includes all the standard cells on the chip but not the CPU - it's made of custom logic and is a bit too blurry for me to decipher. GateBoy's CPU is instead my current best guess at how it might be implemented given the constraints implied by the rest of t
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Pencil–paper on-skin electronics | PNAS
Check out this London tube map made from a working circuit board
Circuit Scribe: Draw Circuits Instantly by Electroninks Incorporated — Kickstarter
