_x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ Transformer Controller Board Adjustable Time Current Welder Transformer Controller Board Digital Display DIY Battery Accessories _x000D_ _x000D_ _x000D_ Feature: _x000D_ 1. Controller: STM8 industrial control center microcontroller is adopted. Isolate strong and weak current through optocoupler to ensure safe operation. _x000D_ 2. Design: The power line and foot switch line use bolts as quick connection terminals, which is more convenient and reliable. _x000D_ 3 Input time: input time and current adopt high-precision simple potentiometer, which is reliable and convenient for on-board power supply, state, pin, trigger indicator, and working state is clearly visible. _x000D_ 4. Function: reliable zero-crossing detection circuit design ensures SCR phase transfer accuracy. The controller is compatible with 40A scr. The digital control interface can change the current time and current settings. _x000D_ 5. Setting : input time is 1-50, cycle unit (1 cycle is 20 ms), current input (30-99%). _x000D_ _x000D_ Specification: _x000D_ Material: PCB _x000D_ Color: red _x000D_ Current: 40A/100A (optional) _x000D_ 100A thyristor/40A thyristor: ordinary thyristor _x000D_ Transformer: common 1 AC 9V transformer _x000D_ Welding pin: 3 * 100 welding pin aluminum oxide copper _x000D_ Foot switch: EKW-5A-B aluminum foot switc _x000D_ DKJ10-25 connector: European type quick connector cable DKJ10-25 quick connector _x000D_ Red rocker switch: the red rocker switch is fused with the power socket _x000D_ Size: _x000D_ Control panel: 8x6cm/3.15x2.36in _x000D_ Display screen: 4x3.5cm/1.57x1.38in _x000D_ Origin: Mainland China _x000D_ Model Number: Spot Welder Module _x000D_ _x000D_ _x000D_ Note: _x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x000D_ Please allow 1-2cm measuring deviation due to manual measurement._x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ 1 x motherboard _x000D_ 1 x display board _x000D_ 1 x cable _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_