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Pricelist: Retail Price (B2C) Pricelist
OV7670 VGA CMOS Camera Module for Arduino/ESP32

OV7670 VGA CMOS Camera Module for Arduino/ESP32

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SpecificationDetails
Image SensorCMOS VGA (640x480 pixels)
ResolutionVGA, CIF, and scaling down to 40x30
Frame RateUp to 30 fps (at VGA resolution)
Operating Voltage3.3V DC (I/O 1.7V to 3.0V)
Power Consumption~60mW (Active), <20µA (Standby)
InterfaceSCCB (I2C compatible) & 8-bit Parallel Data
Output FormatsRaw RGB, RGB565/555/444, YUV (4:2:2), YCbCr
LensHigh-quality F1.8 / 6mm lens
Price
₹ 144.07 ₹ 144.07
(Tax included)

Product Description

The OV7670 VGA Camera Module is an excellent entry-point for adding machine vision to microcontrollers. It utilizes OmniVision's proprietary sensor technology to reduce common image artifacts like Fixed Pattern Noise (FPN), smearing, and blooming, resulting in a cleaner color image. While compact, the board includes a built-in Digital Signal Processor (DSP) that handles image scaling and quality control before the data even reaches your microcontroller. This makes it a popular choice for object detection, color tracking, and simple DIY surveillance systems.

Key Features

  • Auto Image Control: Features automatic exposure (AEC), gain (AGC), white balance (AWB), and black-level calibration (ABLC).

  • High Sensitivity: Optimized for low-light operation, making it versatile for varying environments.

  • ISP Capabilities: Includes integrated noise reduction, defect correction, and lens shading correction.

  • Flexible Sampling: Supports VarioPixel method for sub-sampling and flicker (50/60 Hz) auto-detection.

  • Small Footprint: Designed for embedded portable applications where space is a premium.

Technical Details

  • Pixel Size: 3.6 µm x 3.6 µm.

  • Operating Temp: -30°C to 70°C (Stable image 0°C to 50°C).

  • Scan Mode: Progressive scan.

Prototyping and Engineering Tips from Robogears

  • Clock Signal Requirements: The OV7670 requires an external master clock (XCLK) to function, typically around 24MHz. If using an Arduino Uno, you must generate this via a PWM pin (Pin 9), though the Uno's speed limitations often restrict the resolution to QQVGA (160x120) for stable data capture.

  • Voltage Level Warning: This module is not 5V tolerant. If you are using a 5V microcontroller like the Arduino Uno, you MUST use a voltage divider or level shifter on the input pins (SCL, SDA, XCLK) to prevent damaging the sensor.

  • Memory Management: A full VGA frame (640x480) in RGB565 format requires about 600KB of RAM, which exceeds the capacity of an Arduino Uno (2KB) or Mega (8KB). For full-resolution processing, we recommend using an ESP32 or an STM32 with sufficient internal RAM or a FIFO-enabled version of this camera.

  • Wiring Signal Integrity: Keep your jumper wires as short as possible. High-speed signals like PCLK (Pixel Clock) and D0-D7 data lines are susceptible to electromagnetic interference, which can cause "shifted" or "scrambled" pixels in your final image.

Package Includes

  • 1 x OV7670 VGA CMOS Camera Image Sensor Module

  • 1 x Lens Cover

Disclaimer

Interfacing this camera requires advanced knowledge of I2C/SCCB register configuration and parallel data handling. Ensure your power supply is a stable 3.3V before connection.