MIG welder wire feeder using step motor. Provides precision control of speed. In-place replacement for DC motor. Also adds 2-1 mode for welding thin sheet metal.
attiny85 welding digispark-usb a4988-stepper-motor-driver wire-feeder autobody mig-welder 2-1-welding-mode
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Updated
Jul 26, 2021 - C++