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The digital calipers I got from eBay have stated
Resolution 0.01mm
Accuracy +_ 0.02mm < 100mm, 0.03mm > 100mm
Repeatability 0.01mm
Ken, I don’t think that you will find software only solution to connect calipers output to computers RS232. I think that there will always have to be microprocessor to translate non-standard communication from the callipers to standard RS232 protocol. But, I may be wrong. Electronics bits are about $10 worth, but PCB is a problem. How I wish I had a one of those fancy small CNC routers to make one off PCB’s.
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