All Transistor Clock
15:28
Electrostatic Field Mill Voltmeter Project
20:17
From Transistors To Tetris Part 1 : Computer Architecture
41:39
Soviet digital clock analysis and restoration
14:12
Techniques and Strategies for Building Electronic Circuits
10:54
Make your own Retro Nixie Clock with an RTC!
17:35
How a quartz watch works - its heart beats 32,768 times a second
14:17
WS2811 on Steroids
20:02