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 * - Capacitor 100uF/25V - Capacitor 224/250V - Copper clad board - FeCl3 Thanks for watching, Have a great day !

• #تحصیلات_و_یادگیری
• #how_to_make_timer_module
• #build_a_timer_module
• #at_home