Re: Help for wiring up CNCv3 - DRV8825 -R32 - D1 #esp32 #wemos #250p #arduino #d1

Fernando Nino Sr

Stefan, On the Wemos/CNC wiki page, way down the bottom, have to add the extra pins on the Wemos D1 to use Ic2 devices. So you would need the four pins, SCL, SDA, GRD and V5 or V3 depends on the module power requirement.

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