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July 15, 2026 | 9:35 am

Item #450 from MicroComputer Accessories Inc

What is mystery item #450 from MicroComputer Accessories Inc? Nice packaging but no documentation or frankly any clue as to what it is! Opening was tricky as it was glued tight. To reverse engineer the circuit diagram: When applying a DC voltage of 12v to the DC source, just the positive, you can touch the […]

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December 28, 2023 | 9:10 am

SRAM 4164 Testing

Got a bunch of 4164 chips and an Arduino Nano? Why not get them together for some testing!

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