In SX Microcontrollers, SX/B Compiler and SX-Key Tool, DosManDan wrote:

Your project shouldn't be impossible. I interfaced an electronic caliper for medical research back in 1995 using a PC and a serial port. The company was out of Chicago and was named Gile's Scientific. It measured zone size readings for organism growth in petrie dishes.... about as exciting as it sounds.

I was going to offer help when I first read your post, but I've been swamped with work lately. I haven't looked at the caliper made by Harbor Freight, but now I'm curious and might go buy one and play with it. One recommendation I have would be to use an oscilliscope to watch your signal if you are having trouble decoding the output.

Best of luck in your efforts, I'll be watching the thread to see how you are doing,
Dan

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