Laser PlotClock
Nice use of servos, laser & glowboard to write the time. Numbers slowly fade on their own, no need to erase!
http://makezine.com/2017/09/01/telling-time-with-robots-lasers-phosphorescence/
http://makezine.com/2017/09/01/telling-time-with-robots-lasers-phosphorescence/
Comments
-Phil