Learn- How to Make a simple Arduino Based POV propeller clock at home complete tutorial.\rbrProject file on the free design tool: \rbrCircuit and Source Code- \rbr\rbrSubscribe Me- \rbr\rbrRequired Material-\rbr\rbr1. Arduino Nano (\rbr2. Zero PCB board (35mm x 150mm)(\rbr3. 3mm LED x 8 (\rbr4. 220 ohm Resistor x 8 (\rbr5. 100 ohm Resistor x 1\rbr6. 10k ohm Resistor x 2\rbr7. Opto sensor(H21A1) (\rbr8. Transistor BC337 (NPN) \rbr9. 500mah LiPo Battery (\rbr10.