The stm32-based air purification device uses the stm32f103c8t6 core board as the main control to monitor the concentration of particulate matter, carbon dioxide, TVOC, and formaldehyde in the air. It can manually or automatically control fan ventilation, turn on negative ion purifiers, ultraviolet lamps, and other devices, and also has an alarm function. ~~~~ The program is being written. . .
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