Retr0brighting the easy way (Protek 3015B power supply)
![](https://i.ytimg.com/vi/U392OYNBxbk/mqdefault.jpg)
24:31
Tektronix PS2521G triple power supply repair and upgrade
![](https://i.ytimg.com/vi/V5YNmbtfKls/mqdefault.jpg)
12:12
DIY Variable Lab Bench Power Supply - 3D Print & XY-SK35H Module
![](https://i.ytimg.com/vi/X8N9O3a9jiM/mqdefault.jpg)
8:34
Electrolytic Capacitor Removal NO Desoldering Required
![](https://i.ytimg.com/vi/p1r5ze8Xcfw/mqdefault.jpg)
33:52
Free Abandoned HP 3478A 5-½ Digit DVM Repair
![](https://i.ytimg.com/vi/5tHFH3yZj3E/mqdefault.jpg)
13:23
Chinese-sourced vintage chips, real or fake?
![](https://i.ytimg.com/vi/7HihKMIVnbs/mqdefault.jpg)
18:45
Shuttle Teleprinter - Part 1: a 59 lbs TTY in space, what gives?
![](https://i.ytimg.com/vi/m_juPAK7I_I/mqdefault.jpg)
10:45
Bubble LED clock hack with 1970's tech
![](https://i.ytimg.com/vi/ORuHAFF_Yb8/mqdefault.jpg)
20:37