Issues with Controlling Motors Using the RoboClaw with Arduino

Hi everyone,

I have been working on a project where I am trying to control two DC motors using the RoboClaw motor controller and an Arduino. I am running into some issues and was hoping to get some guidance from the community.

Here’s what I have done so far:

  • I connected the RoboClaw to my Arduino via serial.
  • Uploaded the BasicMicro library for Arduino.
  • Followed the sample code provided to drive the motors forward and backward.

The problem is that when I try to send motor commands,, the motors either don’t respond at all or they jitter for a second and then stop. I have checked all connections and the power supply seems to be adequate for the motors I am using. I have also tried adjusting the baud rate and recalibrating the controller but the issue persists.

Is there something I am missing in terms of wiring, code or settings on the RoboClaw: ?? I have also read this thread https://forum.arduino.cc/t/arduino-i2c-with-roboclaw-or-sabertooth-does-not-works-react-native/ but couldn't get a solution. Any suggestions or troubleshooting tips would be greatly appreciated !!

Thanks in advance !!

Steve Smith :grinning:

That sounds like an interesting project that could be a lot of fun! However, please keep in mind that we are not a free design or code-writing service. We’re more than happy to help with your design or code, but we need you to make an initial attempt. Please design and write your code, then post it along with an explanation of what’s not working properly.

  1. Show Your Work First: Before asking for assistance, make an attempt to design or write the code yourself. Share your work along with details about what isn’t working.
  2. Provide Clear Documentation: Since we can’t see your project, share an annotated schematic (best) or a clear drawing of your setup. Pictures are welcome, but avoid using Fritzing diagrams as they are wiring diagrams, not schematics, and are not ideal for troubleshooting.
  3. Include Technical Details: If there is specific hardware involved, include links to technical information. There are often many versions of similar components, so precise details are essential.
  4. Reference Resources: For additional help, check out useful links and tutorials: Useful Links on Arduino Forum.

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