Sensors and Modules
Original price was: ₵35.00.₵28.00Current price is: ₵28.00.
12 in stock
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OV7670 VGA Camera Module
Original price was: ₵80.00.₵65.00Current price is: ₵65.00.
18 in stock
The OV7670 VGA Camera Module is a low-cost, small, and efficient camera module widely used in embedded systems, IoT projects, and basic computer vision applications. It is capable of capturing images and transmitting them to a microcontroller or processor for further processing.
Description
Key Features
- Image Sensor: CMOS sensor with VGA resolution (640 x 480 pixels)
- Output Formats:
- YUV (4:2:2), RGB565/555, and RAW Bayer data formats
- Communication Interface: SCCB (Serial Camera Control Bus, similar to I2C)
- Frame Rate: Up to 30 fps at VGA resolution
- Lens: Fixed-focus lens
- Power Supply: 3.3V
- Low Power Consumption: Optimized for embedded applications
- Adjustable Parameters: Brightness, contrast, saturation, and more via registers.
Specifications
- Resolution: VGA (640×480), with support for lower resolutions like CIF (352×288) and QCIF (176×144).
- Pixel Size: 3.6 µm x 3.6 µm
- Maximum Frame Rate:
- VGA: 30 fps
- QVGA (320×240): 60 fps
- Operating Voltage:
- Analog: 2.5V–3.0V
- Digital: 1.7V–3.0V
- Communication Protocol: SCCB (supports register configuration)
- Clock Input: Typically requires a 24 MHz external clock.
Pinout
- GND: Ground
- VCC: 3.3V Power
- SCL: SCCB Clock Line
- SDA: SCCB Data Line
- RESET: Reset (active low)
- PWDN: Power down (active high)
- VSYNC: Vertical sync
- HREF: Horizontal reference
- PCLK: Pixel clock
- D0–D7: Data pins (8-bit parallel output)
Applications
- Image and video capture for IoT devices
- Embedded vision systems
- Educational projects
- Object detection and tracking
- Motion detection
- Surveillance systems
Interfacing the OV7670
The module outputs an 8-bit parallel data signal synchronized by VSYNC, HREF, and PCLK. Interfacing it with microcontrollers like Arduino or STM32 involves the following:
- Hardware Setup:
- Connect the SCCB pins (SCL, SDA) to the microcontroller’s I2C lines.
- Connect PCLK, VSYNC, HREF, and D0–D7 to GPIO pins.
- Software Libraries:
- Use libraries or write custom drivers to configure the camera module and capture data.
- Configure camera registers to set resolution, output format, and other parameters.
- Data Processing:
- Use external memory (e.g., SD cards) for storage, or process the data for tasks like object detection or color filtering.
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