With much help here trying to handle speed ramping for a sabertooth 2x25 controller driving the G-Bot last year with limited success, I bought a Kanagroo motion controller in hopes of having it handle the ramping for the differential drive on my B9 replica, the G-bot. I want to use it in speed control / RC mode (only dip switch 1 up). The documentation states the kangaroo REQUIRES at least one feedback signal. I am using two wheelchair motors without encoders on them. I am having a little trouble trying to figure out how or where to add feedback for a B-9 robot using differential drive.
Anyone know if the kangaroo work for speed control without feedback with the dip switches set as above?
If not, any suggestions on what type of encoders and where/how I might mount them?
Any help is appreciated.
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There are some encoders designed to work with some wheelchair motors. There are some wheelchair motors available that already have encoders in them. Which motors do you have? ( EDIT - asking this question to see if we can find encoders that would fit your motors)
The encoder is normally mounted to the motor shafts on the back end of the motor (the opposite end from the wheel). The encoder should have at least a 4 wires. The kangaroo will work with either 4 or 5 wire encoders.
Thanks for your input.