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Adam GPIO expander from the late 80s


rbairos

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Hi Everyone.
Though I'd share a project I built in the late 80s as a geeky teen.

It connected to one of the card slots in our Adam and allowed me (through Smartbasic) to read 1 bit and output 7 bits.
It was quite a labor of love.
Ended up using it to control a stepper motor and a serial ADC from Radio Shack for a science fair project.

Cheers,
Rob.

 

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