The ESP32 CAM Board with OV2640 Camera Module is a compact WiFi and Bluetooth camera board combining the ESP32 dual-core LX6 processor running at up to 240MHz with an OV2640 2-megapixel camera sensor. The esp32 cam module operates on 3.3V to 5V input, uses 32Mbit SPI flash for firmware and image storage, and connects to WiFi at 2.4GHz on 802.11 b/g/n/e/i. The ov2640 camera module interfaces directly with the ESP32 through a dedicated camera bus, enabling image capture, JPEG compression, and live video streaming within a single board without any external camera controller IC.
The esp32 camera board programs via UART serial using a separate FTDI USB-to-TTL adapter — there is no onboard USB port. This is the most important practical note for first-time users: an FTDI programmer must be connected to the IO, GND, TX, RX, and 5V pins during flashing, with IO held LOW to enter download mode. Once flashed, the board runs standalone from any 3.6V to 5V supply. The esp32 cam board has no onboard reset or download button in the compact module form — the IO pin must be manually controlled for each flash session unless a dedicated ESP32-CAM-MB programmer board is added.
The technical detail is that the OV2640 sensor outputs raw Bayer pattern data at full resolution, and the ESP32 firmware handles JPEG compression in software — this means image quality and frame rate depend heavily on firmware configuration and WiFi network throughput, not just the sensor spec. The ov2640 esp32 module combination is used in Indian engineering college projects for face detection, surveillance cameras, QR scanner builds, and license plate reader prototypes. Available from StemVolt, this unit is suitable for engineers working on computer vision IoT applications and practical wireless imaging projects.
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Features:
- OV2640 2MP camera captures JPEG images and streams live video wirelessly
- ESP32 dual-core LX6 at 240MHz handles vision processing and WiFi simultaneously
- 32Mbit SPI flash stores captured images and complete camera firmware
- WiFi 802.11 b/g/n enables HTTP and RTSP live stream from board
- 3.3V to 5V input range suits USB power bank and regulated supply
Technical Specifications:
| Specification | Details |
|---|---|
| Processor | ESP32 Dual-Core LX6 |
| Clock Speed | Up to 240 MHz |
| Camera | OV2640 2MP |
| Input Voltage | 3.6 V – 5 V |
| WiFi | 802.11 b/g/n/e/i |
| SPI Flash | 32 Mbit (Default) |
| Connectivity | WiFi 2.4 GHz |
| Operating Voltage | 3.3 V |
| Programming Interface | UART Serial |
Applications:
- ESP32 CAM Board used for WiFi doorbell live video stream project
- College project uses esp32 cam wifi for face detection demo build
- QR code scanner uses ov2640 camera module for real-time code reading
- Security camera uses esp32 camera board for motion triggered image capture
- License plate reader prototype uses esp32 cam bluetooth for image transmission
Package Includes:
- 1 × ESP32 CAM Board with OV2640 Camera Module














Radhika Soni –
Handles image capture and WiFi tasks simultaneously, making it perfect for smart surveillance and robotics applications
Aarti Chawla –
Small form factor fits easily inside compact camera enclosures while maintaining stable ESP32 performance and connectivity
Nitin Kaushik –
Great value for money
Abhishek Purohit –
Excellent camera module
Kunal Bhattacharya –
Received this ESP32 CAM board packed neatly and delivered in 4 days, setup was smooth and support responsive team answered my queries quickly.
Shreya Malhotra –
No complaints at all