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Getting arty with a Pi

Andy Piper on April 22, 2023

This week I built a BrachioGraph (as mentioned in my comment on "What was your win this week?"). It's a simple pen plotter, driven by a Raspberry P...
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Michael Tharrington

Oh heck yeah! Loving the BrachioGraph self portrait in the end. I'm (probably mistakenly) calling it a self portrait since you built the BrachioGraph. 😁

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WalterHynson • Edited

Every time the pen lift operates it tries to rip the shoulder servo off the baseboard so either glue 1/2 of a hinge to the bottom of the shoulder servo and the other half to the baseboard now when the pen is up the shoulder servo folds over nicely or you can attach the pen holder to the arm via way of a bolt and nut (loose enough to rotate ) and allow the servo to lift the pen holder.