ESP32-CAM WiFi BT Board with OV2640 2MP Camera | IoT Module
ESP32-CAM WiFi BT Board with OV2640 2MP Camera | IoT Module
ESP32-CAM WiFi & Bluetooth Development Board with OV2640 2MP Camera Module
Take your IoT projects to the next level with the ESP32-CAM Development Board, a compact yet powerful Wi-Fi + Bluetooth dual-mode module featuring the OV2640 2.0MP camera. Designed for makers, engineers, and hobbyists, this ultra-low-power board is one of the smallest self-contained camera systems on the market — perfect for smart home automation, wireless monitoring, industrial control, and a wide range of IoT applications.
Made in China.
Key Features
- Compact, All-in-One Design: Functions as a fully independent mini system — no extra microcontroller required.
- WiFi + Bluetooth Dual-Mode: 802.11b/g/n Wi-Fi and BT 4.2 BR/EDR + BLE built right in with an integrated PCB antenna (2dBi gain).
- OV2640 2MP Camera: Supports JPEG, BMP, and Grayscale image output formats for versatile image capture.
- Ultra-Low Power Consumption: Deep sleep current as low as 6mA @ 5V — ideal for battery-powered or energy-sensitive IoT deployments.
- MicroSD Card Support: Store captured images locally on TF/microSD cards up to 4GB.
- Multiple Interface Support: UART, SPI, I2C, and PWM interfaces at up to 2Mbps for easy peripheral connectivity.
- Plug-and-Play Ready: Simply plug into your motherboard and start building.
Technical Specifications
| Working Voltage | 4.75–5.25V (5V recommended) |
| SPI Flash | 32Mbit (default) |
| RAM | Internal 520KB |
| Wi-Fi Standard | 802.11 b/g/n/e/i |
| Bluetooth | BT 4.2 BR/EDR & BLE |
| Spectrum Range | 2400–2483.5 MHz |
| Antenna | Integrated PCB, 2dBi gain |
| IO Ports | 9 |
| Serial Port Speed | 115200bps (default) |
| TF Card Support | Up to 4GB |
| Image Output Formats | JPEG (OV2640 only), BMP, Grayscale |
| Power – Flash Off | 180mA @ 5V |
| Power – Flash On (Max) | 310mA @ 5V |
| Deep Sleep Current | As low as 6mA @ 5V |
| Modern Sleep | Min. 20mA @ 5V |
| Light Sleep | Min. 6.7mA @ 5V |
| Security | WPA/WPA2/WPA2 Enterprise/WPS |
| Working Temperature | -20°C to 70°C |
| Storage Environment | -40°C to 125°C, <90% RH |
Transmission Power
- 802.11b: 17 ± 2dBm @ 11Mbps
- 802.11g: 14 ± 2dBm @ 54Mbps
- 802.11n: 13 ± 2dBm @ MCS7
Receiving Sensitivity
- CCK, 1Mbps: -90dBm
- CCK, 11Mbps: -85dBm
- 6Mbps (1/2BPSK): -88dBm
- 54Mbps (3/4 64-QAM): -70dBm
- MCS7 (65–72.2Mbps): -67dBm
Application Scenarios
- Smart home device image transmission
- Wireless monitoring systems
- Smart agriculture solutions
- Wireless QR code recognition
- Wireless positioning and navigation systems
- Industrial wireless control
- General IoT development and prototyping
Learn more: ENERGY STAR product efficiency guidance
Frequently Asked Questions
Q: What programming environment is compatible with the ESP32-CAM development board?
A: The ESP32-CAM development board is compatible with the Arduino IDE (using the ESP32 board package), as well as ESP-IDF (Espressif's official framework) and MicroPython. Most developers use the Arduino IDE for quick prototyping, making it accessible even for beginners.
Q: Does the ESP32-CAM WiFi BT board require a separate programmer to upload code?
A: Yes, the ESP32-CAM board does not have a built-in USB-to-serial programmer. You will need an external FTDI or CP2102 USB-to-serial adapter to upload sketches. Connect TX, RX, GND, and 5V accordingly, and pull GPIO0 to GND before flashing.
Q: What microSD card format and size does the ESP32-CAM OV2640 module support?
A: The ESP32-CAM supports standard TF (microSD) cards formatted as FAT32, with a maximum supported capacity of 4GB. This is used primarily to store JPEG images captured by the OV2640 camera locally without requiring a network connection.
Q: Can the ESP32-CAM be used for live video streaming over WiFi?
A: Yes! The ESP32-CAM with OV2640 camera is capable of MJPEG streaming over Wi-Fi. Using the CameraWebServer example sketch available in the Arduino IDE, you can set up a local web server and view a live stream from any browser on the same network.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.