Camera Module, OV7725, OV2640 [Type]


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OV7725 – Blue Board

  • Low cost digital output CMOS camera
  • Support RawRGB, RGB(GRB4: 2:2, RGB565/555/444), YUV(4:2:2) and YCbCr(4:2:2) output format
  • Support image output of various sizes from 640*480 to 40×30
  • QVGA resolution ratio support, high frame rate output of 120FPS(QVGA, more suitable for capturing fast-moving objects)
  • The camera includes 0.3M pixel CMOS image sensor chip, 3.6mm focal length lens and lens mount
  • Onboard CMOS chips require a variety of different power supplies
  • The board also leads to control pins and data pins for easy operation and use.
  • Compatible with ESP32, STM32, etc high speed MCU.

OV2640 – Red Board

The product uses OV2640 sensor as the core components, integrated active crystal and LDO, the interface is simple, very easy to use.

OV2640 camera module, using 1/4 inch OV2640 CMOS sensor production. With sensitivity, flexibility, support for JPEG output and so on. And can support exposure, white balance, color, saturation, contrast and many other parameters set to support JPEG / RGB565 format output, to meet the needs of different occasions.


  • Sensor size: 1/4 inch.
  • Pixels: 1600 * 1200 (200W).  200W pixel OV2640 camera module
  • Output format: RGB565 / JPEG / YUV / YCbCr and so on.
  • Operating voltage: 3.3V
  • Module size: 27mmX27mm
  • STM32F4 driver source code
  • Standard camera lens focal length 3.6mm
  • Sensitivity, low voltage suitable for embedded applications
  • Standard SCCB interface, compatible with I2C interface
  • RawRGB, RGB (GRB4: 2: 2, RGB565 / 555/444), YUV (4: 2: 2) and YCbCr (4: 2: 2) output formats
  • Supports UXGA, SXGA, VGA, QVGA, QQVGA, CIF, QCIF and up to 40×30 sizes
  • Support automatic exposure control, automatic gain control, automatic white balance, automatic elimination of light stripes, automatic black level calibration. Image quality control including color saturation, hue, gamma, sharpness ANTI_BLOOM and other settings.
  • Supports image scaling, pan and window settings
  • Support image compression, you can output JPEG image data
  • Comes with embedded microprocessors
  • Integrated active crystal 12M, no need to provide external clock
  • Integrated LDO, only 3.3V power supply can work properly

About OV2640:

The OV2640 image sensor features 2 megapixels (1632×1232 pixels), small in size, low operating voltage, and provides all the features of a single-chip UXGA camera and image processor. Through the SCCB bus control, you can output the entire frame, sub-sampling, take the window, etc. a variety of resolution 10-bit sampling data. The product UXGA images up to 15 frames per second. The user can fully control the image quality, data format and transmission mode. All image processing functions include gamma curve, white balance, saturation, chroma, etc. can be programmed via the SCCB interface. OmmiVision image sensor application of unique sensor technology, by reducing or eliminating optical or electronic defects such as fixed pattern noise, tail, floating, etc., to improve image quality, get a clear and stable color images.

Datasheet of OV7725, OV2640, documentation please see on this page.

Additional information

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Camera sensor



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