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Home / Development Boards & Control Boards / ESP32-CAM-MB Serial-to-WiFi+Bluetooth Module - IoT Board with OV3660/OV2640 Camera

Attributes

Brand -
Category Electronic Components / Maker DIY / Development Boards & Control Boards
Origin -
Microcontroller ESP32
Camera Module OV2640 / OV3660
Wireless Connectivity Wi-Fi 802.11 b/g/n, Bluetooth 4.2
Input Voltage 5V via Micro USB
Operating Voltage 3.3V
PSRAM 4MB
Flash Memory 4MB
Interface UART, I2C, SPI, PWM
Programming Support Arduino IDE, MicroPython, ESP-IDF
Dimensions 50mm x 27mm x 13mm

5 reviews

A

Anonymous

Apr 12, 2026

Rating: 5/5

Great for beginners

I am new to embedded systems and this board was easy to get started with. Plenty of tutorials online. The camera focus is adjustable which is a nice touch.

A

Anonymous

Mar 31, 2026

Rating: 3/5

Camera focus ring was loose

The board functions well, but the focus ring on my camera module was a bit loose and kept shifting. I had to glue it in place. Functionality is otherwise fine.

A

Anonymous

Mar 04, 2026

Rating: 4/5

Good value but needs stable power

The module is great, but make sure you use a good 5V power supply. It tends to reboot if the power is unstable during Wi-Fi connection. Otherwise, very happy with the purchase.

A

Anonymous

Feb 21, 2026

Rating: 5/5

Excellent development board

I've tried several ESP32-CAM variants, and this MB version is much easier to program because of the built-in serial interface. No need for external FTDI programmers.

A

Anonymous

Feb 14, 2026

Rating: 5/5

Perfect for IoT projects

This board works exactly as described. I used it for a home security camera project and the video quality is decent for the price. Setup with Arduino IDE was straightforward.

5 FAQ

Q: Does it work with Home Assistant?

A: Yes, many users successfully integrate this board with Home Assistant using ESPHome or native ESP32 camera components.

Q: Can I power this via GPIO pins instead of USB?

A: Yes, you can supply 5V to the 5V and GND pins, but ensure the power source is stable to prevent boot loops.

Q: What is the maximum video resolution?

A: The OV2640 sensor supports up to UXGA (1600x1200) resolution, though streaming quality depends on your Wi-Fi bandwidth.

Q: Is the camera lens replaceable?

A: The camera module is connected via a ribbon cable. While technically replaceable, we recommend using the included OV2640 for best compatibility.

Q: Does this board support SD card storage?

A: Yes, there is a microSD card slot on the board that supports FAT32 formatted cards up to 4GB for local storage.

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