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3D Printed Electric MotorView Instructable »
Hey Mark, I have been working on the paper tape feature. It works! I will be uploading the new design. It essentially uses the tip from an expo marker. There is an adjuster so it hits the paper with enough force to leave a mark, but not enough to stop the paper.
3D Printed Telegraph Key & ...View Instructable »
A small cap, maybe 0.1 microfarads in parallel with the switch should do the trick, mostly. Can you post a picture of the completed clock? I'd love to see :)
Question: Is supplying the current from the +5V pin unwise? Isn't that a lot of current going through that one pin that could possibly destroy the Arduino's voltage regulator? Go through VIN instead?