LAZY SUNDAY: Sounds Effects Board Kit - LS2
38:22
LAZY SUNDAY - LED Wristwatch - LS6
38:35
LAZY SUNDAY - ICL8083 Function Generator - LS10
9:10
16 music 16 sound box kit | Banggood stuff Ep. 1 | nerdhut.de
44:37
Lazy Sunday: Frequency Counter - LS15
38:49
LAZY SUNDAY: LED electronic clock DIY kit - LS1
25:31
Photolithography on Silicon with PCB Chemicals
51:06
From Start To Finish: PWM Lamp with old school tech
8:50