Alat Pengendali Arus pada Mesin DC-400 Berbasis Mikrokontroler dan Android
Power source is a device that serves to supply electrical current in type of welding SMAW (Shield Metal Arc Welding), an example is DC-400 machine. The output current of machine is set using a knob on the output control panel in order to generate heat as needed welding. Along with the development, welder realized that there are limitations in the way of controlling current on the machine. Distance control that requires users to go directly to the machine caused inefficiency in work. Therefore, we need a controller for adjusting the output current from long distance. It is necessary to create "Current Control Device for DC-400 Machine Based Microcontroller and Android". This device can adjust the output current value from long distance and wireless which is a microcontroller as the central controller and android as the input source. From the results of research, the greater value of R1 in potentiometer is set, the greater welding current is generated. The average error between the welding current using the knob and remote is 4.65%.
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