diff --git a/modules/dht11/.keep b/modules/dht11/.keep
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/modules/dht11/HW_DHT11.c b/modules/dht11/HW_DHT11.c
new file mode 100644
index 0000000000000000000000000000000000000000..cf34f464c89e7bd82601581769ef9073fecb7143
--- /dev/null
+++ b/modules/dht11/HW_DHT11.c
@@ -0,0 +1,64 @@
+#include "stm32f1xx_hal.h"
+#include "HW_DHT11.h"
+#include "main.h"
+
+void HW_DWT_Init(void){
+        CoreDebug->DEMCR |= CoreDebug_DEMCR_TRCENA_Msk;
+    DWT->CTRL |= DWT_CTRL_CYCCNTENA_Msk;
+        DWT->CYCCNT=0;
+}
+void HW_DELAY_Us(uint32_t delayUsCount) {
+    uint32_t sys_clk = HAL_RCC_GetHCLKFreq();
+    uint32_t ticks = delayUsCount * (sys_clk / 1000000);
+    uint32_t start = DWT->CYCCNT;
+    while ((DWT->CYCCNT - start) < ticks);
+}
+
+uint8_t HW_DHT11_Read(float *tempValue, float *humidValue) {
+    uint8_t data[5] = {0};
+    uint8_t retryCount = 0;
+
+    HAL_GPIO_WritePin(DHT11_GPIO_Port, DHT11_Pin, GPIO_PIN_RESET);
+    HW_DELAY_Us(18000); 
+    HAL_GPIO_WritePin(DHT11_GPIO_Port, DHT11_Pin, GPIO_PIN_SET);
+    HW_DELAY_Us(40);
+
+    retryCount = 100;
+    while (HAL_GPIO_ReadPin(DHT11_GPIO_Port, DHT11_Pin) == GPIO_PIN_RESET) {
+        if (retryCount-- == 0) return DHT11_ERROR_TIMEOUT;
+        HW_DELAY_Us(1);
+    }
+
+    retryCount = 100;
+    while (HAL_GPIO_ReadPin(DHT11_GPIO_Port, DHT11_Pin) == GPIO_PIN_SET) {
+        if (retryCount-- == 0) return DHT11_ERROR_TIMEOUT;
+        HW_DELAY_Us(1);
+    }
+
+    for (uint8_t i = 0; i < 40; i++) {
+        retryCount = 100;
+        while (HAL_GPIO_ReadPin(DHT11_GPIO_Port, DHT11_Pin) == GPIO_PIN_RESET) {
+            if (retryCount-- == 0) return DHT11_ERROR_TIMEOUT;
+            HW_DELAY_Us(1);
+        }
+
+        HW_DELAY_Us(40);
+        if (HAL_GPIO_ReadPin(DHT11_GPIO_Port, DHT11_Pin) == GPIO_PIN_SET) {
+            data[i/8] |= (1 << (7 - (i%8)));
+            retryCount = 100;
+            while (HAL_GPIO_ReadPin(DHT11_GPIO_Port, DHT11_Pin) == GPIO_PIN_SET) {
+                if (retryCount-- == 0) return DHT11_ERROR_TIMEOUT;
+                HW_DELAY_Us(1);
+            }
+        }
+    }
+
+    if (data[4] != (data[0] + data[1] + data[2] + data[3])) {
+        return DHT11_ERROR_CHECKSUM;
+    }
+
+    *humidValue = (float)data[0];
+    *tempValue = (float)data[2];
+
+    return DHT11_OK;
+}    
diff --git a/modules/dht11/HW_DHT11.h b/modules/dht11/HW_DHT11.h
new file mode 100644
index 0000000000000000000000000000000000000000..718fcb3e2e0306dd5c58b607fdb574793e8c9ee7
--- /dev/null
+++ b/modules/dht11/HW_DHT11.h
@@ -0,0 +1,34 @@
+#ifndef __HW_DHT11_H__
+#define __HW_DHT11_H__
+
+
+// 定义一个枚举类型 DHT11_Status，用于表示 DHT11 传感器操作的状态
+typedef enum {
+    DHT11_OK = 0,          // 表示操作成功，状态码为 0
+    DHT11_ERROR_TIMEOUT,   // 表示操作超时错误
+    DHT11_ERROR_CHECKSUM   // 表示校验和错误
+} DHT11_Status;
+
+/**
+ * @brief  初始化 DWT（数据观察点和跟踪）功能
+ * @param  无
+ * @retval 无
+ */
+void HW_DWT_Init(void);
+/**
+ * @brief  实现微秒级的延时
+ * @param  delayUsCount: 需要延时的微秒数
+ * @retval 无
+ */
+void HW_DELAY_Us(uint32_t delayUsCount);
+/**
+ * @brief  从 DHT11 传感器读取温湿度数据
+ * @param  tempValue: 指向 float 类型的指针，用于存储读取到的温度值
+ * @param  humidValue: 指向 float 类型的指针，用于存储读取到的湿度值
+ * @retval uint8_t 类型，实际代表 DHT11_Status 枚举类型的值，用于表示操作状态
+ */
+uint8_t DHT11_Read(float *tempValue, float *humidValue);
+
+
+
+#endif
diff --git a/modules/oled/OLED.c b/modules/oled/OLED.c
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391