This topic has 2 replies, 2 voices, and was last updated 3 years, 9 months ago by SuperDroid.

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  • #4212
     Ben
    Participant

    Hello

    Building an RC project , driving and steering will be the back wheels. Front wheels are unguided (think grocery cart wheels).

    I will be supplying two brushless 350watt 24V motors with signal and power from these kind of controllers:

    https://www.aliexpress.com/item/double-direction-24v-multi-function-electric-scooter-hub-motor-controller/32657487186.html?spm=2114.13010608.0.0.9JQDpZ

    I wonder if you can recommend any product that can take input from a spektrum receiver (PWM) and supply the throttle signal to these controllers. I’m unsure if they support PWM. A plus point would be to be able to take a gyro to stabilize the path.

    Additionally, I am looking for a product that can mix the signal to steer the RC vehicle using these two brushless motors.
    (direction, speed using these two wheels in a sort of “combat robot”/tank setup).
    Does anyone know if Spektrum DX6 can do the work of mixing channels properly?

    Equipment I currently have on hand:
    2x 24v 350 brushless hub motors
    2x electronic controllers for said motors
    1x Spektrum DX6 + reciever (6CH)
    2x Arduino boards
    5x Sensor (cheap chinese ones)
    1x Sabertooth 2x25A (for brushed motors, won’t be used for the steering / driving)
    1x RC pwm input switch for 1 channel

    #4213
     Ben
    Participant

    Update: Appearently the ESC should be able to take PWM.

    #4216
     SuperDroid
    Keymaster

    I’m not familiar with the motor controller you linked but it seems it would be much easier to connect the output of your Spektrum receiver to a Sabertooth or RoboteQ motor controller. While in RC mode, they calculate the mixing for you and can be adjusted in the firmware settings. If you need something other than a RC output, then I would recommend using an Arduino or some kind of MCU to convert the RC values. All of these items are listed on our website.

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