The intelligent fan control system based on C51 single-chip microcomputer adopts the combination of software and hardware. The temperature sensor is used to collect the ambient temperature, scan the key status, scan the infrared status, automatically control the fan speed, and receive the serial port data from Bluetooth. The upper computer controls the switch of the fan through the communication protocol, receives the temperature data, saves the temperature data to the database, and sets the key to control the switch of the fan.The working process of the system is: when the user needs to use the device, open the mobile app, and the mobile interface will display the device status. The upper computer controls the fan through the button control of the mobile app, and the lower computer controls the fan through the temperature feedback. When the temperature reaches the set value, the control unit of the lower computer adjusts the rotation speed of the motor through the temperature feedback, and starts the database saving function to save the data sent back by the temperature sensor regularly, so that the user can call it at any time. The lower computer is equipped with a human-computer interaction panel. The LCD displays the current temperature value and the gear of the current motor rotation. When the temperature reaches the set value, the buzzer will give an over temperature alarm. The overall structure of the system is shown in Figure 1.1.
The intelligent fan control system based on C51 single-chip microcomputer adopts the combination of software and hardware. The temperature sensor is used to collect the ambient temperature, scan the key status, scan the infrared status, automatically control the fan speed, and receive the serial port data from Bluetooth. The upper computer controls the switch of the fan through the communication protocol, receives the temperature data, saves the temperature data to the database, and sets the key to control the switch of the fan.<br>The working process of the system is: when the user needs to use the device, open the mobile app, and the mobile interface will display the device status. The upper computer controls the fan through the button control of the mobile app, and the lower computer controls the fan through the temperature feedback. When the temperature reaches the set value, the control unit of the lower computer adjusts the rotation speed of the motor through the temperature feedback, and starts the database saving function to save the data sent back by the temperature sensor regularly, so that the user can call it at any time. The lower computer is equipped with a human-computer interaction panel. The LCD displays the current temperature value and the gear of the current motor rotation. When the temperature reaches the set value, the buzzer will give an over temperature alarm. The overall structure of the system is shown in Figure 1.1.
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