AbstractsThis thesis proposed to design and build a circuit switching pressure 0-400-Volt form adjusted circuits that maintain a parallel voltage suitable for high voltage and low current by using a transistor an g BT to control output stream. The pressure can be adjusted circuits ao output multiple levels suitable for applying the treatment for many types of electronic equipment.Circuit switching-pressure treatment, 0-400 Volt adjustable value that is created contains a control unit can control voltage output with escorted the microcontroller by microcontroller Board, Ahmad Arduino will create a pulse for the activation of steam navigation flows, and b t g stop current by Antoine pato wallpaper can be an electrical signal link between the control sector are using the stimulus of cough-g BT in the cycle are.The test results, the treatment cycle, the pressure can be adjusted. Control with microcontrollers using Arduino microcontroller boards by the principle at work is a system automation is a DC voltage set voltage input from the keyboard is that the voltage value can be adjusted by between 0 – 400 million at the Tivoli.Posts by data is sent to the Arduino microcontroller board processing from the input command to select virtually relay when the relay works will result in the MC nay aromatic contactor working voltage from the transformer supply goes through the cycle to convert AC voltage, DC voltage to a voltage to the load.
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