Abstract
In response to the problems of digital management and inconvenient water supply and drainage of public Wash Basin on the market, a public Wash Basin based on infrared is designed in the text. Using the DMA+output comparison function of the STM32F103ZET6 main control chip, the NEC protocol is sent to the infrared light-emitting diode. The signal is collected by the infrared receiving tube and sent back to the main control chip for logical processing to determine the drainage and water supply status; And use the mobile app and Alibaba Cloud to send and receive the status of the washing machine controlled by the main control chip. Realized contactless drainage and water supply, as well as digital management of wash basin equipment.
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