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Pulsed continuity test using least IO pins


mike_au

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It's been slow going, but I am making progress.

 

No major changes to the design recently, just the boring work of putting it all together.

 

I've got the transmitter up and running and I've just finished the transistor board (so far it seems to be working OK). The receiver is still on the breadboard, hopefully within a week or three I will have time to finalize it and get it etched and then I'm on the home stretch.

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