
This circuit consists of an ESP32 CAM module connected to an FTDI Programmer for power and serial communication. The ESP32 CAM is programmed to capture images and stream them over WiFi, acting as a web server to provide live video feed.

The ESP32-S3 CAM Development Board (Manufacturer Part ID: N16R8) by Espressif is a powerful and versatile development platform designed for IoT applications. It features the ESP32-S3 microcontroller, which integrates Wi-Fi and Bluetooth connectivity, and an OV3660 camera module for high-quality image capture and processing. This board is ideal for projects involving real-time video streaming, image recognition, and edge AI applications.

This circuit consists of an ESP32 CAM module connected to an FTDI Programmer for power and serial communication. The ESP32 CAM is programmed to capture images and stream them over WiFi, acting as a web server to provide live video feed.

This circuit consists of an ESP32 CAM module connected to an FTDI Programmer for power and serial communication. The ESP32 CAM is programmed to capture images and stream them over WiFi, acting as a web server to provide a live video feed.

This circuit consists of an ESP32 CAM module connected to an FTDI Programmer for power and serial communication. The ESP32 CAM is programmed to capture images and stream them over WiFi, acting as a web server to provide a live video feed.

This circuit features an ESP32 microcontroller connected to a TTL Serial JPEG Camera and a 0.96" OLED display. The ESP32 is configured to communicate with the camera over serial connections (TX/RX) to capture and possibly process images. Additionally, the ESP32 drives the OLED display via I2C (SCK/SDA) to show information or images to the user.
| Parameter | Specification |
|---|---|
| Microcontroller | ESP32-S3 (Xtensa® 32-bit LX7 dual-core processor) |
| Camera Module | OV3660 (3MP resolution, supports JPEG and YUV formats) |
| Wireless Connectivity | Wi-Fi 802.11 b/g/n, Bluetooth 5.0 LE |
| Flash Memory | 8 MB PSRAM, 16 MB Flash |
| Operating Voltage | 3.3V |
| Power Supply Input | 5V via USB-C or external power source |
| GPIO Pins | 21 (including UART, SPI, I2C, PWM, ADC, and DAC) |
| Image Output Formats | JPEG, BMP, YUV |
| Dimensions | 40mm x 27mm |
| Operating Temperature Range | -40°C to 85°C |
The ESP32-S3 CAM Development Board features a compact pinout. Below is the pin configuration:
| Pin Name | Type | Description |
|---|---|---|
| 3V3 | Power | 3.3V power output |
| GND | Power | Ground connection |
| GPIO0 | Digital I/O | General-purpose I/O, used for boot mode selection |
| GPIO1 | Digital I/O | General-purpose I/O |
| GPIO2 | Digital I/O | General-purpose I/O |
| GPIO3 | Digital I/O | General-purpose I/O |
| GPIO4 | Digital I/O | General-purpose I/O |
| GPIO5 | Digital I/O | General-purpose I/O |
| GPIO12 | Digital I/O | General-purpose I/O |
| GPIO13 | Digital I/O | General-purpose I/O |
| GPIO14 | Digital I/O | General-purpose I/O |
| GPIO15 | Digital I/O | General-purpose I/O |
| GPIO16 | Digital I/O | General-purpose I/O |
| GPIO17 | Digital I/O | General-purpose I/O |
| GPIO18 | Digital I/O | General-purpose I/O |
| GPIO19 | Digital I/O | General-purpose I/O |
| GPIO20 | Digital I/O | General-purpose I/O |
| GPIO21 | Digital I/O | General-purpose I/O |
| TXD0 | UART TX | UART transmit pin |
| RXD0 | UART RX | UART receive pin |
| USB-C | Power/USB | USB-C port for power and programming |
Powering the Board:
Programming the Board:
Connecting the Camera:
GPIO Usage:
Wi-Fi and Bluetooth Setup:
Below is an example code snippet to capture an image using the ESP32-S3 CAM and stream it over Wi-Fi:
#include <WiFi.h>
#include <esp_camera.h>
// Replace with your Wi-Fi credentials
const char* ssid = "Your_SSID";
const char* password = "Your_PASSWORD";
// Camera configuration
#define PWDN_GPIO_NUM -1
#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
void setup() {
Serial.begin(115200);
// Connect to Wi-Fi
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("\nWi-Fi connected");
// Initialize the camera
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;
if (!esp_camera_init(&config)) {
Serial.println("Camera initialized successfully");
} else {
Serial.println("Camera initialization failed");
}
}
void loop() {
// Capture an image
camera_fb_t* fb = esp_camera_fb_get();
if (!fb) {
Serial.println("Failed to capture image");
return;
}
// Print image size
Serial.printf("Captured image size: %u bytes\n", fb->len);
// Free the frame buffer
esp_camera_fb_return(fb);
delay(5000); // Capture an image every 5 seconds
}
Board Not Detected by Computer:
Camera Initialization Fails:
Wi-Fi Connection Issues:
Overheating:
Q: Can I use this board for AI/ML applications?
A: Yes, the ESP32-S3 supports AI/ML frameworks like TensorFlow Lite for Microcontrollers.
Q: What is the maximum resolution of the OV3660 camera?
A: The OV3660 supports up to 3MP resolution.
Q: Can I power the board using a battery?
A