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Harbor Freight Caliper Interface

Did you know the inexpensive Pittsburgh / Chicago Tool / Harbor Freight Calipers (4 pin dataport under battery cover) have a digital interface? We can read that interface with an Arduino, just like we do with the Mitutoyo / Igaging calipers and micrometers. The electrical interface is different, as is the data stream. Now, thanks to the hard work and experimentation of the folks at Arduinotronics, you can integrate measurement into your projects.

You can display the results on a LCD screen, save to a SDcard, or log the data to a Raspberry Pi based database.

I’ll be posting video, code and schematic shortly, but get your board order in now so you can get started! $20 + S&H

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Md Mubarak Hossain
3 years ago

Please could you share more dial pictures for digital Dial indicator?
I will be grateful to you.

Md Mubarak Hossain
3 years ago

Thanks a lot for your reply.
Please could you give me links of the Cable that you used?
If possible all other components links as well?

Md Mubarak Hossain
3 years ago

Thanks a lot for your reply.
Please could you give me some more details for Dial indicator?
If possible all other components links as well?

Steve Spence
3 years ago

All the components, cables, etc. were listed.

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