18 Dupont Wire Tips and Tricks
17:35
I built every 555 circuit in the Forrest Mims Engineer's Mini Notebook - Part 1
20:46
Finally! A Battery That’s Better Than Energizer and Duracell!
11:45
Four Steps to Flawless Wire Joints (How to Solder)
11:49
Arduino Uno Gets Its BIGGEST Upgrade In 12 Years
13:51
The BEST Mechanical Display You've EVER Seen!!!
15:10
Hacking an annoying flashlight into something useful (PWJ255)
17:35
How a quartz watch works - its heart beats 32,768 times a second
20:05