OV7670 Camera Module
The OV7670 is a compact and cost-effective CMOS camera module designed for embedded vision applications. It is ideal for use with Arduino, FPGA, and other microcontroller platforms. The module provides real-time VGA (640×480) video capture and supports various output formats including YUV, RGB, and raw data.
Key Features:
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- High sensitivity for low-light operation
- Low operating voltage for portable embedded systems
- Standard SCCB interface (compatible with I2C)
- Supports VGA, CIF, and lower resolutions
- Output formats: RGB565/555, GRB 4:2:2, YUV 4:2:2, YCbCr 4:2:2, and raw RGB
- VarioPixel® sub-sampling for lower resolutions
- Built-in automatic image control:
- Auto Exposure Control (AEC)
- Auto Gain Control (AGC)
- Auto White Balance (AWB)
- Auto Band Filter (ABF)
- Auto Black-Level Calibration (ABLC)
- Image enhancements: color saturation, hue, gamma, sharpness, anti-blooming
- Noise reduction and defect correction
- Supports LED flash, strobe, and scaling
- Flicker detection (50/60 Hz), lens shading correction
- Auto-adjust for saturation, edge enhancement, and de-noise levels
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Applications:
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- DIY electronics and robotics projects
- Arduino and microcontroller vision systems
- Toy cameras and educational kits
- PC multimedia and USB camera systems
- Digital still cameras
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Technical Specifications:
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- Image Sensor: 1/6″ CMOS, OV7670
- Resolution: VGA (640 x 480)
- Maximum Frame Rate: 30 fps at VGA
- Output Format: 8-bit YUV, RGB565/555, GRB 4:2:2, Raw RGB
- Interface: 8-bit parallel data + SCCB (I2C compatible)
- Power Supply:
- Digital Core: 1.8V ±10%
- Analog: 2.45V to 3.0V
- I/O: 1.7V to 3.0V
- Power Consumption:
- Active: TBD
- Standby: < 20 µA
- Pixel Size: 3.6 µm x 3.6 µm
- Sensitivity: 1.1 V/lux-sec
- S/N Ratio: 40 dB
- Image Area: 2.36 mm x 1.76 mm
- Operating Temperature: -30°C to +70°C
- Stable Image Range: 0°C to +50°C
- Scan Mode: Progressive
- Lens Size: 1/6″
- Chief Ray Angle: 24°
- Dark Current: 12 mV/s at 60°C
- Well Capacity: 17,000 electrons
