Monochrome USB Camera Module for Embedded Machine Vision Devices
$1.00
USB camera module with OmniVision OV7251 sensor, Fixed Focus from 20cm to infinity, D141° × H108° × V78.5° wide FOV, F2.2 lens, YUV/MJPEG output, USB 2.0 DSP and 38 × 38mm PCB.
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Price is for reference only. Please contact us for the latest quotation.

Monochrome USB Camera Module for Embedded Machine Vision Devices
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Monochrome USB Camera Module for Embedded Machine Vision Devices
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Introduction
Some embedded imaging systems do not need color information. They need a stable monochrome image source that fits a defined mechanical platform and connects directly to a USB host.
This camera module uses a 38×38mm PCB architecture with a centered lens position and multiple mounting points, providing a practical structure for fixed camera installation inside industrial and embedded devices.
The current drawing also specifies YUV and MJPEG output, giving the host different video-output options depending on the system architecture. SF-C0317USB-BW-3838 V1.1 OV7251…
Applications in Real Devices
Machine Vision Equipment
For visual tasks based mainly on shape, position, contrast or edge information, color data may not be necessary.
A monochrome USB camera can provide a simpler image source for systems where the host performs the final detection or analysis.
Position and Alignment Systems
Fixed cameras used to observe component position or alignment benefit from a stable mechanical installation.
The square PCB and four-point mounting layout provide a defined camera position relative to the host equipment.
Industrial Observation Devices
Some industrial systems only need to monitor object presence, movement or general condition.
In these cases, a monochrome image can be more relevant than adding unnecessary color information.
Embedded USB Imaging Devices
Products designed around a USB host can integrate the camera without developing a raw MIPI sensor interface.
The 38×38mm board format also provides sufficient mechanical area for secure installation in equipment with a fixed camera compartment.
Project Evaluation Guide
Consider This Model When
- A monochrome image is suitable for the visual task.
- USB integration is preferred.
- A 38×38mm PCB fits the available space.
- The camera needs a stable fixed mounting structure.
- YUV or MJPEG output matches the host system.
- Color information is not a primary requirement.
Confirm Before Sampling
- Required resolution.
- Required frame rate.
- Whether the project requires Global Shutter or Rolling Shutter.
- Target movement speed.
- Lens FOV.
- Working distance and focus range.
- Host USB compatibility.
- Connector definition.
- Available mounting space and lens depth.
Choosing This Model Within the USB Camera Module Series
This model represents the 38×38mm monochrome USB camera direction.
Choose it when the device needs a mechanically stable square PCB and monochrome imaging rather than a compact narrow PCB or color image source.
Compared with smaller VGA USB modules, this configuration places greater emphasis on mechanical mounting stability and monochrome imaging direction rather than minimizing PCB size.
Related Models
SF-C0319USB-WH01 V1.0
Consider this model when a VGA color USB camera with a defined 45–100cm Fixed Focus range better matches the application.
SF-C0319USB-WH03 V1.0
Consider this model when PCB space is more restricted and the compact 14×25mm layout is more important than using a 38×38mm board.
Key Specifications
| Specification | Details |
|---|---|
| Product Name | Monochrome USB Camera Module |
| Model | SF-C0317USB-BW-3838 V1.1 |
| Sensor | OV7251* |
| Imaging Type | Monochrome* |
| PCB Size | 38 × 38mm |
| Output Format | YUV / MJPEG |
| Interface Direction | USB 2.0 |
| PCB Structure | Square Board |
| Mounting Structure | Four-Point Mounting Layout |
| Version | V1.1 |
SincereFirst Customization
Lens and Viewing Angle
Lens FOV can be evaluated according to the required inspection area, target size and camera installation distance.
Focus Distance
The focus configuration can be adjusted according to the actual working distance and the smallest detail that needs to remain visible.
PCB and Mounting Structure
PCB outline, mounting-hole position and lens location can be evaluated according to the mechanical structure of the final device.
USB and Output Integration
USB connector direction, cable configuration and YUV/MJPEG output requirements can be reviewed according to the target host platform.
Final configuration should be validated with the actual host platform, enclosure, optics, software, and lighting environment before sampling.
FAQ
When should I choose a monochrome camera instead of a color USB camera?
Choose monochrome when the visual task mainly depends on brightness, contrast, edges or object position rather than color information.
For applications where color itself is part of recognition or inspection, a color camera should be evaluated instead.
Is this model suitable for machine vision?
Its monochrome USB architecture and fixed 38×38mm mounting structure make it a relevant direction for machine-vision projects, but resolution, frame rate, shutter type and optics still need to be confirmed against the actual task.
Does YUV or MJPEG affect host processing?
Yes.
YUV provides less-compressed image data, while MJPEG reduces transmitted data size through compression. The correct output depends on host bandwidth and image-processing requirements.
Is the sensor Global Shutter?
The uploaded file name identifies the sensor as OV7251, but the current drawing itself does not contain a shutter-type specification.
For the final web page, I recommend confirming the sensor/shutter specification before publishing “Global Shutter” as a product capability.
Can another 38×38mm USB camera replace this module directly?
No.
PCB size alone does not confirm compatibility. Mounting holes, lens position, connector definition, USB implementation and image output must all be checked.
What information should be provided before evaluating this model?
Provide the target movement condition, required resolution, frame rate, working distance, FOV, host USB requirement and available mounting space.
Request Project Evaluation
If your device needs a 38×38mm monochrome USB camera module for fixed industrial imaging, share the target size, movement condition, working distance, required field of view and host USB requirements.
SincereFirst can help determine the suitable optical and interface configuration before sampling.
Send Inquiry
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