22:05

Arduino POV Propeller Clock using 7-Segment LED Display

3:32:44

4 Hours Chopin for Studying, Concentration & Relaxation

4:00:37

4 Hours Chopin for Studying, Concentration & Relaxation

22:01

Update 2 - Make a Simple Wireless Power Supply Transmitter & Receiver for Arduino Clock

33:45

Why It Was Almost Impossible to Make the Blue LED