Description: The schematic design of ultrasonic distance measurement system described in a microcontroller as the core, integrated circuits, temperature sensors and other integrated components of the ultrasonic ranging system by infrared remote control signal receiver. The system by the temperature sensor to measure ambient temperature, to come to the propagation velocity of sound in the air in the temperature, reflected back from launch through an obstacle based on the ultrasonic propagation time of the receiving end, calculate the test distance
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毕业设计PCB.PrjPCB
毕业设计PCB板图.PcbDoc
毕业设计原理图.pdf
毕业设计原理图.SchDoc
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