Timecodes
0:00 - Intro
0:14 - The plan
0:35 - How much amps can it supply?
1:24 - Building a 555 timer circuit
3:28 - Testing the circuit board
3:49 - Mounting the components to a piece of plywood
5:35 - Magic smoke
7:13 - Stealing some parts from an old project
7:50 - Refreshing the thick cables
8:34 - Torquing down the cables
9:07 - Routing the trigger wire
9:29 - Sharpening the prongs/electrodes
9:54 - Testing the spot welder
11:05 - Can It weld thick steel?
12:01 - Outro
Here are links for the primary parts used in this video:
► Super Capacitor:
https://amzn.to/3DwabZF (Amazon)
► High Current Starter Relay 500Amp:
https://amzn.to/3DwTInY (Amazon)
► Spot Welding Pen:
https://amzn.to/3CMqKjO (Amazon)
► (optional) Foot Pedal Switch:
https://amzn.to/3DnJJ4g (Amazon)
► NE555 Timer IC:
https://amzn.to/3DwyUgr (Amazon)
► IRF3205 N-Channel MOSFET:
https://amzn.to/3PdDO4k (Amazon)
► (optional) 15pcs 8 Pin DIP IC Sockets:
https://amzn.to/41Lw554 (Amazon)
As an Amazon Associate, I earn from qualifying purchases. The links above earn commission.
Support me for more videos:
https://patreon.com/ElectronicLab (Patreon)