Overview
The OV7670 camera module is a compact CMOS image sensor designed to bring real-time vision to embedded projects. With VGA resolution and a small form factor, the OV7670 camera module is suited for Arduino, STM32, and other microcontroller platforms where affordability and low power are important.
Key Features
- 640 x 480 (VGA) resolution at up to 30 fps under optimal conditions
- CMOS sensor with 3.6 µm x 3.6 µm pixel size for clear image capture
- SCCB interface (I2C-like) for configuration and control
- Output formats: YUV and RGB for flexible processing
- 3.3V operating voltage and power-efficient operation for battery-powered projects
- Fixed-focus onboard lens and compact dimensions (approx. 28 mm x 28 mm)
- Low cost, making it ideal for prototyping, labs, and learning
Product Specifications
- Sensor Type: CMOS
- Model: OV7670
- Resolution: 640 x 480 (VGA)
- Interface: SCCB (I2C-like)
- Operating Voltage: 3.3V
- Pixel Size: 3.6 µm x 3.6 µm
- Frame Rate: Up to 30 fps (optimal conditions)
- Output Format: YUV / RGB
- Lens: Fixed focus, onboard lens
- Dimensions: Approx. 28 mm x 28 mm
Compatibility and Use Cases
The OV7670 camera module is a versatile visual sensor for a wide range of projects:
- DIY Smart Vehicles – Visual input for autonomous navigation and line following
- Robotics Vision Systems – Object detection and tracking with microcontrollers
- Security Applications – Motion-detection image capture for alarms and monitoring
- Educational Projects – Affordable way to teach image processing and embedded vision
- Facial Recognition Systems – Live input for biometric verification experiments and prototypes
Supported Platforms
- Arduino (requires extra memory or FIFO buffer for stable image handling on some boards)
- STM32 and other ARM Cortex microcontrollers
- FPGA and custom logic platforms where parallel capture is supported
Integration Tips
- Voltage Level: Operate at 3.3V. Use level shifters if connecting to 5V systems.
- Memory Needs: Arduino Uno has limited RAM. Use external FIFO, SD storage, or stream frames to a host for processing.
- SCCB Configuration: Initialize and configure via SCCB registers. Many community libraries and example register scripts are available.
- Frame Rate: Frame rate depends on resolution and bus timing. Expect up to 30 fps under optimal conditions with VGA settings.
- Lens and Focus: Fixed-focus lens is suitable for general use. For precise focus needs, consider replacing the lens or using a module with adjustable focus.
Sample Project Ideas
- Line-tracking robot using real-time image capture and PID control
- Simple motion-detection camera that saves images to microSD when movement is detected
- Face detection prototype using an MCU paired with a small host processor for ML inference
- Educational lab for teaching image acquisition, color spaces, and basic computer vision
Frequently Asked Questions
- What is the OV7670 used for? It is widely used in DIY electronics, computer vision, robotics, image capture, and motion detection systems.
- Is the OV7670 compatible with Arduino Uno? Yes. However, due to limited RAM on the Uno, you may need an external memory buffer (FIFO) or stream frames to a host for reliable image capture.
- Can I use the OV7670 for live video? Yes. The module supports real-time video capture up to 30 fps at VGA resolution under optimal conditions.
- Is it difficult to interface the OV7670? Basic wiring and configuration are required. Plenty of tutorials and community examples exist for Arduino and STM32 to help you get started.
Ordering, Support, and Local Delivery
Order the OV7670 camera module from Colgroad for trusted components and helpful customer support. We provide fast Islamabad shipping and nationwide delivery across Pakistan. Our team can help with compatibility questions, wiring tips, and recommended example code to get your project moving quickly.
Call to Action
Bring vision to your next embedded project today. Purchase the OV7670 camera module from Colgroad and get reliable imaging for prototyping, robotics, security, and education.
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