Hi All,
We’re looking to use rather a rather long arm this year. We will have two neos or 550s on the end of the arm and we are looking to keep it as light as possible. What is the maximum length that the encoder/data cable can extend?
I remember using these
Thanks,
Will
I’m not sure how much weight you’re actually saving by keeping the SparkMax at the bottom with the motors at the end of the arm. The complexity (and points of failure) introduced by daisy-chaining a bunch of sensor cables (or making/buying a custom one of the right length) is worth it compared to the extra few ounces of just positioning the controller near the motor.
If weight is truly a concern, I would look at alternate designs that would support keeping the motor (and controller) further up the arm. I can’t provide any specific suggestions as I have no idea what your current arm design is, but there are quite a few options out there.
Have you compared the weight of the Spark Max to the weight of the extra length of an extra motor wire (since it’s 2 wires going into Spark Max, and 3 wires going out)?
I would agree that whenever possible limit potential points of failure such as connectors to as few as necessary. The robot tends to become a rather high vibration & impact environment during competition.
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