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Digimatic SPC to Arduino

10/14/2015 Update! Now works with Igaging Origin Series Micrometers, Calipers, and Scales.

12/2/2011 Update! We are now reading data from the micrometer, and calculating bin numbers for gear sorting and pump builds. We take 3 samples of a gear, and reject the gear if there is too much variation between the samples.

The Digimatic SPC protocol is a communications protocol developed by Mitutoyu, the big guns in Calipers, Micrometers, Dial Indicators, Scales and more. These devices have a data port that allows you to communicate with a microprocessor or microcontroller, for data logging and other measuring applications.

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Mitutoyo 05CZA662, Digimatic Cable, 40″, With Data Switch for Coolant Proof Micrometers

Code, diagrams, and specs. –  http://arduinotronics.blogspot.com/2015/09/igaging-micrometers-and-calipers.html

Instructable – http://www.instructables.com/id/Interfacing-a-Digital-Micrometer-to-a-Microcontrol/

Interface Boards – http://arduinotronics.blogspot.com/2015/09/igaging-micrometers-and-calipers.html

Comments welcome!

 

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Steve Spence
10 years ago

Thanks to Grumpy_Mike (Mike Cook) from http://www.thebox.myzen.co.uk we are now getting readings from the Micrometer. Have to play a bit more with the binary output, and stuff the different pieces of the data stream into variables, but we are very close!

Steve Spence
9 years ago

Thanks to GoForSmoke on the Arduino forums for a very useful bit reversal function that really woke this project up!

http://arduino.cc/forum/index.php/topic,79900.45.html

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