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In further news, we had a problem where the WaterColorBot was not moving appropriately in the vertical direction. Turns out, we needed to adjust our current a little bit. Found that on other forum support threads, used a small screw driver, made the adjustment, and we’re 100% operational now.Such a cool bit of work, thanks Windell!
Success! We have a painting!We reversed the connector, nothing.Then we reversed it again, nothing.Then we reversed it again, nothing.And again, nothing.Not sure how many times we went back and forth, but just when we were about to give up, Toby reversed it one more time. And bingo, the servo snapped to life.Perhaps there was a problem with the electrical connection between the 3 pin connector and the bus somehow?In any event, we have a working WaterColorBot now.Thanks so much for the suggestions. Really appreciate the help.-Toby and Oren
Hi.Got the latest .zip file, downloaded that, and RT is now working for me. Thanks very much.re: servo motor – I can move the white, plastic lever arm up and down, but it seems pretty stiff. That is to say it requires a decent amount of force for my hand to move it up and down along its travel.re: the servo moving ever – no, I have never observed the servo motor doing anything under power. No up, no down, no seeking center position. Any commands to the brush that I send via RT or RoboPaint do not cause the servo to move the paintbrush up or down.I’ll give the wire swap a try and report back.
Got my WaterColorBot built with my daughter Toby, had a great time. Thanks!Plugged it into my Mac, and RT didn’t work (didn’t recognize the bot) but RoboPaint did.We created a simple drawing and poked Print, it came alive, and we were stoked.But then it seems like the servo isn’t raising/dropping the pen at all.It seems to move freely enough my hand when I push it up/down, but no commands ever got the pen to drop or raise.Thoughts about how best to proceed?Oren