9:09
Cool idea from a gas cylinder! I wish I'd known about it before!
HandCraft
7:41
Why didn't I know this before!!!
4:35
BRILLIANT IDEA WITH OLD DVD PLAYER!
Fixotronic
6:46
How to make battery level indicator and auto cut charger
EASY TECH
8:52
voltage regulator simple
Elektro Nad
7:39
Coin-Op Pop [Maker Update #172] - Maker.io
DigiKey
8:51
How to Make 12V 15Amp From Old Laptop Battery | how to make 12V battery
