Reading Digital Callipers With an Arduino / USB

How to use an Arduino to read the signal from a set of digital callipers and send the reading over USB.Why?This might be useful for accurate position sensing in home made / hacked computer aided manufacture systems. Adds USB functionality to your callipers.A great reference on reading digital callipers can be found at:http://www.shumatech.com/support/chinese_scales.htmWhat this instructable adds to the shumatech tutorial is:How to use an Arduino to read the callipers (using very few extra components).Details of another protocol found to be in use on some callipers.Basic Arduino code is provided.”

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