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EasyDriver and the A3967

https://www.schmalzhaus.com/EasyDriver/ https://www.sparkfun.com/products/12779 https://www.robotgear.com.au/Product.aspx/Details/2940-EasyDriver-Stepper-Motor-Driver Letting the blue smoke out I think I somehow applied a reverse voltage from an unprotected 7AH SLA...