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DIY DRO for Mini Mill

DIY DRO for Mini Mill

Having settled on some Igaging linear scales and Yuriy Krushelnytskiy’s DIY DRO for Android as mentioned in my Mini Mill posting I set about making the board itself a cheaper prospect. I am not a big fan of the Arduino boards and their associated shields, as they use a non-standard pin spacing from one side to the other, which is incompatible…