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Pixy CMUcam5 Image Sensor - LEGO

Product Code : RB-Cha-03

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  • Gives your LEGO Mindstorms creation the ability to see objects
  • Connects directly to LEGO Mindstorms EV3 and NXT controller bricks with supplied cable
  • Image sensor: Omnivision OV9715, 1/4", 1280x800
  • Lens field-of-view: 75 degrees horizontal, 47 degrees vertical
  • Included software "blocks" are fully compatible with Mindstorms programming environment and can be easily dragged and dropped into your Mindstorms programs
  • Lego not included

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About this product

Description

  • Gives your LEGO Mindstorms creation the ability to see objects
  • Connects directly to LEGO Mindstorms EV3 and NXT controller bricks with supplied cable
  • Image sensor: Omnivision OV9715, 1/4", 1280x800
  • Lens field-of-view: 75 degrees horizontal, 47 degrees vertical
  • Included software "blocks" are fully compatible with Mindstorms programming environment and can be easily dragged and dropped into your Mindstorms programs
  • Lego not included

The Pixy CMUcam5 Image Sensor - LEGO Version is a fast vision sensor you can quickly "teach" to find objects, and it connects directly to Arduino and other controllers. It’s great for robotics or any other application that requires computer vision. Pixy pairs a powerful dedicated processor with the image sensor. Pixy processes images from the image sensor and only sends the useful information (e.g. purple dinosaur detected at x=54, y=103) to your microcontroller. And it does this at frame rate (50 Hz). The information is available through one of several interfaces: UART serial, SPI, I2C, USB, or digital/analog output. So your Arduino or other microcontroller can talk easily with Pixy and still have plenty of CPU available for other tasks.

Pixy CMUcam5 Image Sensor - LEGO

50 frames per second
Pixy processes an entire 640x400 image frame every 1/50th of a second (20 milliseconds). This means that you get a complete update of all detected objects' positions every 20ms. At this rate, tracking the path of falling/bouncing ball is possible. (A ball traveling at 30 mph moves less than a foot in 20ms).

Pixy CMUcam5 Image Sensor - LEGO

Color-based filtering
Pixy uses a color-based filtering algorithm to detect objects. Most of us are familiar with RGB (red, green, and blue) to represent colors. Pixy calculates the color (hue) and saturation of each RGB pixel from the image sensor and uses these as the primary filtering parameters. Pixy remembers up to 7 different color signatures, which means that if you have 7 different objects with unique colors, Pixy’s color filtering algorithm will have no problem identifying them. If you need more than seven, you can use color codes.

Pixy CMUcam5 Image Sensor - LEGO

Teach it the objects you're interested in
Pixy is unique because you can physically teach it what you are interested in sensing. Pixy can learn seven color signatures, numbered 1-7. Color signature 1 is the default signature. To teach Pixy the other signatures (2-7) requires a simple button pressing sequence.

Pixy CMUcam5 Image Sensor - LEGO

PixyMon lets you see what Pixy sees
PixyMon is an application that runs on Windows, MacOs and Linux. It allows you to see what Pixy sees, either as raw or processed video. It also allows you to configure your Pixy, set the output port and manage color signatures. PixyMon communicates with Pixy over a standard mini USB cable. PixyMon is great for debugging your application.

Pixy CMUcam5 Image Sensor - LEGO

Controller support
Pixy can easily connect to lots of different controllers because it supports several interface options (UART serial, SPI, I2C, USB, or digital/analog output), but Pixy began its life talking to Arduinos. Over the last several months support for Arduino Due, Raspberry Pi and BeagleBone Black have been added.

Pixy CMUcam5 Image Sensor - LEGO

Specifications

  • Lens type: Standard M12
  • Power consumption: 140 mA typical
  • Power input: USB input (5V) or unregulated input (6V to 10V)
  • RAM: 264K bytes
  • Flash: 1M bytes

Dimensions

  • Size: 2.1" x 2.0" x 1.4"
  • Weight: 27g

Multimedia


Supplier Product Code

PIXY-LEGO

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Reviews

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Customer Reviews

Great!

Review by Jason
General

Very Powerful and Smooth!

Demo
https://youtu.be/W-VNgsarwy8

(Posted on 3/1/18)

Great product

Review by Antony
General

NIce upgrade from the standard lego sensors. Works great for objects folllowing robots.

(Posted on 10/2/17)

Good Product - Poor quality control

Review by Lars
General

The Camera works as advised. It can track objects and is fairly simple to use in the Lego EV3 programming environment.

Having said that, Upon opening the box I found a tiny component in the corner of the box. I turned out to be a capacitor. This I managed to solder back on (I have access to a good electronic lab). I suppose the soldering was not done properly at the manufacturing site. It saved my sons birthday. Sending it back would not have :-(

(Posted on 4/4/17)

overall it was good

Review by eli
General

the camera works great although the programs provided did not work

(Posted on 1/19/16)

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