auger feeder control. Now using THOM D12-21GB-XXDS Rotary Actuator powered by pulse from GPS to calculate seed spacing. Want to use stepper motor for more accurate seed spacing. Pulse changes with voltage and is not accurate enough.
Do not have any experience with stepper motor or controls. Output of THOM D12-21GB-XXDS is 21 GB = 100 lb-in, 200 rpm
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HI @BaaCpa11 and welcome to our forum!
According to your torque demand, you could use this stepper https://www.robotshop.com/en/12v-28a-3333-oz-in-nema-23-bipolar-stepper-motor.html controlled with this board https://www.robotshop.com/en/phidgetstepper-bipolar-stepper-motor-controller-1067-0.html.
Only thing is that its maximum speed is 25RPM.