HomeReviewELP M7 120° USB 480p Camera - review

ELP M7 120° USB 480p Camera – review

Getting a much wider perspective!

Last time I took the SM5 robot to play outside and test the Wi-Fi range of the adapter, two things become apparent. I need some sort of flip protection feedback, and a wider angle camera to better understand the environment near me.  I have ordered the gyro chip straight away, but I hesitated with the camera for a bit. Couple days ago ELP reached out to me asking if I want to test their wide angle mini camera. A perfect timing!

ELP M7 120° USB 480p camera

I’m not going to hold the low resolution against this camera. As a driving camera, the low latency and smoothness are more important than a full HD image, especially at the extreme distances.

Here are the specs as given by the manufacturer ELP M7:

  • 120 degree M7 lens VGA USB camera support android, Linux, Windows, MacOS system
  • Standard M7 mini lens with super wide-angle FOV(D) 150 degree, (H)120 degree
  • max 640×480 MJPEG@60FPS, YUY2@30fps
  • usb2.0 high-speed mini size 32×32/26x26mm for small space insert
  • support raspberry pi, OpenCV etc.

The 640×480 stream at 60 FPS seems like a good enough idea to steer the robot about. The picture is smooth, the latency is low due to low res image, but the camera itself is detailed enough to guide you around the obstacles. I’m not going to use this camera to record any footage, this is going to be offloaded to a proper HD cam placed on 2 axis servos.

Where camera falls short is the sensitivity and dynamic range. There were a few high contrast scenarios (in the broad daylight) where some of the images were skewed towards black/white depending on the average light intensity of the scene.

The camera is light and compact, therefore it will fit well without obstructing other elements. All it needs is a nice 3D printed enclosure. It looks like Thingiverse got that already covered. Not sure if any adjustments need to be done, but I think I will go even further and include a servo to create a self-levelling camera.

Conclusion

Buy ELP M7 120° USB 480p Camera

Buy it using these links to support NotEnoughTech.

Looking up on Amazon and various sources, there aren’t many ‘naked’ sensors out there. The module costs a fair bit. Unless you are set specifically on the 60FPS or the wide-angle, you could get away with getting a webcam with a wide-angle lens and remove the plastic enclosure. For what I need it for, the module will work just great, if you need something better suited with a higher camera resolution ELP has a wider selection of specifications.

REVIEW OVERVIEW

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Last time I took the SM5 robot to play outside and test the Wi-Fi range of the adapter, two things become apparent. I need some sort of flip protection feedback, and a wider angle camera to better understand the environment near me.  I have...ELP M7 120° USB 480p Camera - review