STM32驱动DHT22温湿度传感器程序

#include "dht22.h" #include "delay.h" //复位DHT22 void DHT22_Rst(void) { DHT22_DQ_OUT=0; //拉低DQ delay_ms(20); //拉低至少18ms DHT22_DQ_OUT=1; //DQ=1 delay_us(30); //

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