Basics of Embedded Programming | DHT11 Driver Code for ESP32 Based on ESP-IDF (C Language, C++ Language)
01Introduction: Let’s get straight to the point. 02Content 1. C Language Implementation #include <stdio.h> #include "driver/gpio.h" #include "freertos/FreeRTOS.h" #include "freertos/task.h" #define DHT11_GPIO 4 // Use GPIO4 #define DHT_TIMEOUT 10000 // 10μs timeout // Data storage structure typedef struct { int humidity; int temperature; bool checksum_ok; } dht11_data; // Initialize GPIO void dht11_init() { gpio_set_direction(DHT11_GPIO, GPIO_MODE_OUTPUT); … Read more