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OpenMV Cam H7 R1 with OV7725 Image Sensor MicroPython Machine Vision Camera
The OpenMV Cam H7 R1 is a compact yet powerful MicroPython-programmable machine vision camera designed to make computer vision simple and accessible for engineers, students, and makers. Equipped with an OV7725 image sensor, it allows real-time vision applications such as color tracking, object detection, face recognition, and motion analysis at high frame rates. Instead of working with low-level C/C++ code, you can write scripts in MicroPython, giving you the flexibility to quickly prototype and deploy machine vision applications while still maintaining control over I/O for hardware interaction.
At its core, the board is powered by an STM32H743VI ARM Cortex M7 processor running at 480 MHz, with 1 MB RAM and 2 MB Flash, providing enough processing power to run machine vision algorithms in real-time. The modular camera system includes a 2.8mm lens on a standard M12 mount, allowing you to swap lenses for specialized imaging needs. With its combination of high-speed I/O, integrated LEDs, and modular expansion, the OpenMV Cam H7 R1 is an excellent platform for robotics, AIoT, automation, and computer vision learning projects.
Key Features of OpenMV Cam H7 R1 OV7725

High-Performance MCU: STM32H743VI ARM Cortex M7 480 MHz, 1 MB RAM, 2 MB Flash.
Image Sensor: OV7725 module with 2.8mm M12 lens.
Captures 640×480 8-bit Grayscale or 640×480 16-bit RGB565 images.
Frame rates: 75 FPS VGA/QVGA and up to 150 FPS lower resolutions.
Programmable in MicroPython: High-level scripting simplifies computer vision programming.
Versatile I/O Interfaces:
USB FS (12 Mbps) for programming, virtual COM port, and USB flash drive access.
SD card slot with up to 100 Mbps R/W for video recording and asset storage.
SPI bus up to 100 Mbps for fast image data streaming.
I2C, CAN bus, UART for sensor and MCU integration.
12-bit ADC & DAC, PWM & interrupts on all I/O pins.
3 servo control outputs.
Expansion & Control: Works with LCD Shield, WiFi Shield, and other add-ons.
Integrated Lighting: Onboard RGB LED + dual 850nm IR LEDs for illumination.
Removable Camera Module System: Compatible with other OpenMV camera modules for customization.
Compact Yet Expandable: 10 I/O pins, fully 3.3V logic (5V tolerant).