OV7670 CMOS Camera

The OV7670 is a popular CMOS image sensor manufactured by OmniVision Technologies. It is often used in various embedded systems, including Arduino projects, robotics, and other applications where low-cost, low-power image capture is needed. Here are some key features and technical specifications of the OV7670 camera module:

Key Features:

• Resolution: The OV7670 provides a 640x480 (VGA) resolution, which is suitable for many basic vision applications.
• Sensor Type: CMOS (Complementary Metal-Oxide-Semiconductor) sensor, which is widely used in cameras due to its lower power consumption and smaller size compared to CCD sensors.
• Frame Rate: It can output images at up to 30 frames per second (fps) at full VGA resolution.
• Color: Supports output in both RGB (8-bit) and YCbCr formats. This means it can provide both color and monochrome image data.
• Interface: The OV7670 communicates with a microcontroller or processor via a parallel interface, typically using a 8-bit or 10-bit data bus. Commonly, it has several control pins for configuring various settings (e.g., exposure, gain, etc.).
• Low Power: It is designed to operate on a 3.3V supply and consumes very little power, making it suitable for battery-powered applications.
• Lens: The camera module comes with a fixed-focus lens, which is typically sufficient for close-range imaging (a few centimeters to a meter).

Technical Specifications:

• Image Sensor: Omni Vision OV7670 CMOS sensor
• Resolution: 640x480 (VGA) pixels
• Frame Rate: 30 fps at VGA resolution
• Pixel Size: 3.6 µm x 3.6 µm
• Lens Type: Fixed lens
• Output Format: YUV (YCbCr), RGB565, and other formats
• Power Supply: 3.3V
• Operating Temperature: -30°C to +70°C
• Output: Digital (parallel) RGB or YUV data
• Clock Frequency: 24 MHz (internal)

Applications:

• Embedded Systems: Ideal for integration into low-cost embedded vision applications such as robotics, security systems, and DIY projects.
• Arduino Projects: Frequently used with microcontrollers like Arduino, Raspberry Pi, and other single-board computers for simple image capturing tasks.
• Video Streaming: Suitable for video streaming applications, although the resolution and frame rate may be lower than modern high-definition cameras.

Integration with Arduino:

To use the OV7670 with an Arduino, you'll typically need to connect it to an Arduino board using several pins for data transfer, as well as control pins for adjusting camera settings. The camera module usually requires the following connections:

• SDA (Data line)
• SCL (Clock line)
• VSYNC, HREF, PCLK (Synchronization signals)
• D0 to D7 (8-bit data bus for transmitting pixel data)
• Reset and Power Pins

For handling image processing and storage, you may also need external components like SD card modules for storing images or video frames, or a more powerful microcontroller to process the data.

Origin: China

Brand: Generic