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Somewhere else to source the parts?


#41

see the ‘smoke herder’ thread

They are not currently available, but will be in the near future.

In the meantime, you could find another motor controller board that will
control 3+ DC motors using PWM for speed (and run in either direction) and make
it work with small software tweaks.

David Lang


#42

I found these


[ DC12V Turbo Worm Gear Box High Torque Geared Reduction Motor Encoder 10-100RPM]
Encoder included on the motor

It reports the 30RPM has:

Speed(rpm) 10 20 30 40 100
Rated Torque(kg.cm) 22.5 12 7.4 5.6 1.5
Max.Torque(kg.cm) 25 25 25 24 6.4
Reduction Ratio 600 340 200 150 40

7.4kg torque, and 25kg holding, but 200:1 gear reduction, the 20RPM one has alot more torque in movement but the same in holding

This one too…but less info on the ratio or holding power…motor looks larger than the first one