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Intel's revolutionary 54-year-old 4004 chip was the world's first programmable microchip — 2,300-transistor 10,000nm processor exposed

CPU collector and enthusiast CPU Duke was given the opportunity to "pop the hood" off Intel's first-ever multi-purpose microprocessor, the 4004. In a post on X, the CPU collector removed the top ...
Hackaday

4-bit Single Board Computer Based On The Intel 4004 Microprocessor

[Scott Baker] is at it again and this time he has built a 4-bit single board computer based on the Intel 4004 microprocessor. In the board design [Scott] covers the CPU (both the Intel 4004 and 4040 ...