How to make Timer Module for Spot Welder at Home

How to Build a Timer Module for Spot Welder at Home

Parts that you need
Circuit boards PCB, principles : https://goo.gl/jWJdYG
- BTA16-600B TO220
- HEF4093, 3v Led
- 3 * Resistor1K 1/4W
- 1 * Resistor 390K 1/4W
- 2 * Resistor 330R 1/4W
- 2 * Resistor 4K7 1/4W
- 1 * Resistor 680R 1/4W
- 1* Resistor 100R 1/4W
- 1* MOC3041
- 2 * C1815
- 1 Potentiometer 10K
- Capacitor 220uF/50V
- Capacitor 1uF/50V
- Capacitor 100uF/25V
- Capacitor 224/250V
- Copper clad board
- FeCl3

Thanks for watching, Have a great day !