This project aims to improve teaching and learning, and develop a more productive. Using the measurement and control of level demo Using the switcher power thaching power supply 12 Vdc from 220 V is measured level using thermocouples to 4-20 mA signal is entered into a control signal from the controller enters the supply voltage DC to the motor speed control circuits the PWM is used for open water pump control to get the height of the water level controller used 0-100%, set the PI and PID control manners. To control the water level, according to the target value.
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