NY-D01 battery spot welding machine digital display control board 100AThe control panel of the spot welding machine is a controller which is independently developed for the DIY or the simple resistance welding. The principle of silicon controlled phase shifting triggering is adopted to adjust the time and the current to achieve the purpose of welding. The main features of this controller: 1: the use of STM8 industrial microcontroller control center. 2: strong and weak electricity through optocoupler isolation, safe