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Build an Arduino based vintage SRAM tester, open source!


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I wanted to share this here instead of the Tandy section as the ideas presented in building the tester can be applied to testing other vintage ICs. The design is open source so download all the files and use it as a starting point for your own tester.

In this video we build an Arduino Mega based tester for TRS-80 M100 SRAM modules. We learn about the unusual SRAM modules the M100 used, a little about RAM testing and then we test some bad modules and attempt a repair.

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