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LongArcParticipant
Windell –
My WCB does fine with simple pictures but tends to fail if the painting is too complex. It loses it location for a second and then all heck breaks lose – painting on the board between the water dishes, knocking over the water dishes – kind of funny actually. I can actually hear it when it happens so if I stop it in time, no damage done. But I was wondering is there anyway to re-calibrate it in the middle of playback? I wouldn’t think so but I though I would ask. I bought a big pad of watercolor paper so I usually just reset and start from the beginning.Also – I was going to try to lower the current a bit more and see if that helps but I wanted to ask: What is the indication that the current it *too* low? Is that a brown-out situation where I risk burning out the motor itself? Too high = stuttering, too low = ? Looking for indications of the Goldilocks point.Thanks.LongArcParticipantI just adjusted the current to the motors by slightly turning the potentiometer on the EBB and it is MUCH happier now. That seems to have been the problem.
LongArcParticipantJust completed my WaterColorBot last night and had the same behavior. Tried RoboPaint and RoboPaintRT on three seperate Macs (different ages and OSs) with the same behavior. Lots of stuttering, some jamming. Just from observation, it looks like it ‘thinks’ it is moving farther onto the paper than it actually is. But if I hit zero, it travels the ‘full’ distance back so it gets to the zero position and keeps trying to spin the motors. Like Sha, I made sure it was in the starting position each time. The only point I deviated from the instructions was that I didn’t unmount and remount the motors – I just wrapped the wires in place. I can provide a video if that would be helpful.
Final comment – the brush lifting works fine.Bryant -
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