Abstract
The production implemented in this article is mainly composed of humidity sensing control, A/D conversion, fan, refrigeration chip, 89C51, LED, LCD panel and other circuit combinations. When the humidity reaches the set value, the system will automatically start the de-humidification effect. Measure the numerical value of the humidity of the acrylic box to determine whether the current humidity status of the acrylic box reaches the set numerical humidity and start the device, convert the digital signal through the AD0804 analog signal, and transfer the signal to the 89C51 chip, and send it to LCD display and start the application function of the fan and cooling chip combined device to the LCD display to reduce the humidity value of the acrylic box and achieve the de-humidification effect studied by this implementation.
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