TI-808 — Bradley Immel

I found a TI-5045SV desktop printer-calculator for $7.99, and this time I was sure the buttons were electrical, so I took it home and opened it up. Far from elegance, I drilled holes to cut off PCB leads, snipped wires, and hacked at it until I was able to read each of the buttons 1-9.After a bit of…

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