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OpenMV Cam H7 – A Machine Vision Camera

DFRobot

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SKU:
147-DFR0517
MPN:
DFR0517
DFR0517 - OpenMV Cam H7 – A Machine Vision Camera
OpenMV Cam H7 is a small, low-power, microcontroller board with a camera module. It runs MicroPython for easy programming and is ideal for machine vision and image processing applications. View full description
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Technical Specifications

Brand:
DFRobot

Warranty Information

All the products supplied by Evelta are genuine and original. We offer 14 days replacement warranty in case of manufacturing defects. For more details, please visit our cancellation and returns page.

Description

With the OpenMV Cam H7, you'll have a powerful imaging solution featuring the MT9M114 image sensor. Capture stunning images with options for 640x480 8-bit Grayscale or 640x480 8-bit BAYER formats, achieving impressive frame rates of 40 FPS or 80 FPS, depending on the resolution. For resolutions below 320x240, expect most simple algorithms to operate smoothly between 40-80 FPS. The camera comes equipped with a 2.1mm lens on a standard M12 lens mount, providing versatility. Should you desire more specialized lenses, they can be easily purchased and attached to the image sensor for enhanced imaging capabilities.

Features
The STM32H743VI ARM Cortex M7 processor running at 480 MHz with 1MB SRAM and 2MB of flash. All I/O pins output 3.3V and are 5V tolerant. The processor has the following I/O interfaces:
  • A full speed USB (12Mbs) interface to your computer. Your OpenMV Cam will appear as a Virtual COM Port and a USB Flash Drive when plugged in.
  • A uSD Card socket capable of 100Mbs reads/writes which allows your OpenMV Cam to take pictures and easily pull machine vision assets off of the μSD card.
  • A SPI bus that can run up to 80Mbs allowing you to easily stream image data off the
  • system to either the LCD Shield, the WiFi Shield, or another microcontroller.
  • An I2C Bus (up to 1Mb/s), CAN Bus (up to 1Mb/s), and an Asynchronous Serial Bus (TX/RX, up to 7.5Mb/s) for interfacing with other microcontrollers and sensors.
  • A 12-bit ADC and a 12-bit DAC.
  • Three I/O pins for servo control.
  • Interrupts and PWM on all I/O pins (there are 10 I/O pins on the board).
  • An RGB LED and two high power 850nm IR LEDs.

Specifications

Processor ARM 32-bit Cortex-M7 CPU
w/ Double Precision FPU
480 MHz (1027 DMIPS)
Core Mark Score: 2400
(compare w/ Raspberry Pi 2: 2340)
RAM Layout 64KB Stack
256KB .DATA/.BSS/Heap
512KB Frame Buffer/Stack
256KB DMA Buffers
Flash Layout 128KB Bootloader
128KB Embedded Flash Drive
1792KB Firmware
(2MB Total)
Supported Image Formats Grayscale
RGB565
JPEG (and BAYER)
Maximum Supported Resolutions Grayscale: 640x480 and under
RGB565: 320x240 and under
Grayscale JPEG: 640x480 and under
RGB565 JPEG: 640x480 and under
Lens Info Focal Length: 2.1mm
Aperture: F2.0
Format: 1/6"
HFOV = 60.7deg, VFOV = 47.5deg
Mount: M12x0.5
IR Cut Filter: 650nm (removable)
Electrical Info All pins are 5V tolerant with 3.3V output. All pins can sink or source up to 25mA. P6 is not 5V tolerant in ADC or DAC mode. Up to 120mA may be sinked or sourced in total between all pins. VIN may be between 3.6V and 5V. Do not draw more than 250mA from your OpenMV Cam's 3.3V rail.
Weight 19g
Length 45mm
Width 36mm
Height 30mm
 
Packge Contents
  • OpenMV Cam H7 x1
  • Pin Header x2
Resources

FAQs:

Q: What programming language is used for OpenMV Cam H7?

A: OpenMV Cam H7 uses MicroPython, a lean and efficient implementation of the Python 3 programming language, making it easy for beginners and experienced programmers to use.

Q: What kind of camera module is included with OpenMV Cam H7?

A: OpenMV Cam H7 comes with an OV7725 image sensor, which is a 640x480 resolution camera capable of capturing images and video.

Q: What are some common applications for OpenMV Cam H7?

A: OpenMV Cam H7 is suitable for various machine vision and image processing tasks, including:

  • Face detection and recognition
  • Object tracking
  • QR code and barcode reading
  • Shape detection
  • Color tracking

Q: Is OpenMV Cam H7 compatible with other hardware or software?

A: Yes, OpenMV Cam H7 is compatible with various hardware peripherals like sensors and actuators, as well as software libraries like OpenCV for advanced image processing.

Q: Does OpenMV Cam H7 require a computer for programming?

A: OpenMV Cam H7 can be programmed directly through its micro USB port using the OpenMV IDE (Integrated Development Environment), eliminating the need for an external programmer.

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