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Spot welder internals

Solid state relay, 5V mains power supply (mobile phone charge board), fused IEC chassis plug, power resistor (switched in series with primary for low power mode), OLED display, microwave oven transformer with welding cable secondary, DPDT rocker switch, momentary push switch, potentiometer, Arduino nano, 4-way chassis plug to foot pedal switch.

Uploaded by Andrew Entwistle on 03/07/2020 10:04:31

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