(unrelated 6) What makes a clock tick - exploring the Lavet motor
17:35
How a quartz watch works - its heart beats 32,768 times a second
14:15
Quartz Battery Operated wall clock desktop clock repair
6:31
How To Check Watch Coil Circuit IC Using Multimeter
4:31
How to Run a Stepper Motor Without a Driver
6:44
Pulse Motor from Old Parts
11:49
Inside of a wall clock ( measurement of voltage waveform across the coil and the oscillator )
18:54
Essa máquina caseira de soldas vai te surpreender !
10:13