Arduino mount for metric pegboard  ArduinoHalter für metrisches Pegboard
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Arduino mount for *metric* pegboard / Arduino-Halter für metrisches Pegboard

There are some designs around for standard pegboards Unfortunately mine is metric which means the hole distances are 10 mm in both directions ...

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Arduino mount for *metric* pegboard / Arduino-Halter für metrisches Pegboard alternatives
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jofeinmechaniker