My friend just received new roli (I have one also). All work fine (servos, camera), except forward and backward movement are reversed. Checked h-bridge and ezb v4 wiring. Used ez robot cloud roli sample project. Tried on laptop and android phone. All same problem. Note that the right and left turning movement are ok.
Any idea ?
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So for example, if "Forward" is D3 and "Reverse" is D6, simply swap the D3 to D6 and D6 to D3. Hope this helps.
I was thinking of doing that, but what do I do with the trigger A and B ports?
also roli will no longer be compatible with public project ?