Over voltage protection circuit build - Don't fry your gear!
3:27
Crowbar over voltage protection - Free PCB download
14:50
Don't throw away old Batteries! Genius invention with Welding Machine
14:55
STEADY VOLT POWER SUPPLY REGULATOR BOARD
4:38
Test Equipment I built from Mr Carlson's Lab and Patreon page
14:36
Troubleshooting Power Supply of an Arctic Best Refrigerator -Repair electronic components
16:07
Millions of people don't know about the invention of this homemade tool
16:37
Forget about all the antennas! A piece of Coaxial Cable unlocks all TV channels
10:47