ESP32-CAM 项目教程
项目介绍
ESP32-CAM 是一个基于 ESP32 芯片的摄像头模块,广泛应用于物联网设备中。该项目由 yoursunny 维护,提供了丰富的功能和示例代码,帮助开发者快速集成摄像头到各种应用中。
项目快速启动
硬件准备
- ESP32-CAM 开发板
- USB 转 TTL 模块
- 摄像头模块(如 OV2640)
- 5V 电源
软件准备
- Arduino IDE
- ESP32 开发板支持包
代码示例
#include "esp_camera.h"
#include "WiFi.h"
// 摄像头配置
#define PWDN_GPIO_NUM 32
#define RESET_GPIO_NUM -1
#define XCLK_GPIO_NUM 0
#define SIOD_GPIO_NUM 26
#define SIOC_GPIO_NUM 27
#define Y9_GPIO_NUM 35
#define Y8_GPIO_NUM 34
#define Y7_GPIO_NUM 39
#define Y6_GPIO_NUM 36
#define Y5_GPIO_NUM 21
#define Y4_GPIO_NUM 19
#define Y3_GPIO_NUM 18
#define Y2_GPIO_NUM 5
#define VSYNC_GPIO_NUM 25
#define HREF_GPIO_NUM 23
#define PCLK_GPIO_NUM 22
const char* ssid = "your_SSID";
const char* password = "your_PASSWORD";
void setup() {
Serial.begin(115200);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(1000);
Serial.println("Connecting to WiFi...");
}
Serial.println("Connected to WiFi");
camera_config_t config;
config.ledc_channel = LEDC_CHANNEL_0;
config.ledc_timer = LEDC_TIMER_0;
config.pin_d0 = Y2_GPIO_NUM;
config.pin_d1 = Y3_GPIO_NUM;
config.pin_d2 = Y4_GPIO_NUM;
config.pin_d3 = Y5_GPIO_NUM;
config.pin_d4 = Y6_GPIO_NUM;
config.pin_d5 = Y7_GPIO_NUM;
config.pin_d6 = Y8_GPIO_NUM;
config.pin_d7 = Y9_GPIO_NUM;
config.pin_xclk = XCLK_GPIO_NUM;
config.pin_pclk = PCLK_GPIO_NUM;
config.pin_vsync = VSYNC_GPIO_NUM;
config.pin_href = HREF_GPIO_NUM;
config.pin_sscb_sda = SIOD_GPIO_NUM;
config.pin_sscb_scl = SIOC_GPIO_NUM;
config.pin_pwdn = PWDN_GPIO_NUM;
config.pin_reset = RESET_GPIO_NUM;
config.xclk_freq_hz = 20000000;
config.pixel_format = PIXFORMAT_JPEG;
config.frame_size = FRAMESIZE_UXGA;
config.jpeg_quality = 10;
config.fb_count = 1;
esp_err_t err = esp_camera_init(&config);
if (err != ESP_OK) {
Serial.printf("Camera init failed with error 0x%x", err);
return;
}
}
void loop() {
camera_fb_t * fb = esp_camera_fb_get();
if (!fb) {
Serial.println("Camera capture failed");
return;
}
// 处理图像数据
esp_camera_fb_return(fb);
delay(1000);
}
应用案例和最佳实践
家庭监控系统
ESP32-CAM 可以用于构建家庭监控系统,通过 Wi-Fi 将实时视频流发送到手机
创作声明:本文部分内容由AI辅助生成(AIGC),仅供参考



