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Pixy (CMUcam5) Smart Vision Sensor - Object Tracking Camera for Arduino, Raspberry Pi, BeagleBone Black

by Charmed Labs and CMU

110 customer reviews

| 31 answered questions

Price:

$69.00 | Fast, FREE Shipping with Amazon Prime

In stock on February 6, 2017.
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Robot vision made easy - press the button to teach Pixy an object.
Simplify your programming - receive just the objects you're interested in.
Use whatever controller you want - includes software libraries for Arduino, Raspberry Pi, and BeagleBone Black.
Communicates via one of several interfaces: SPI, I2C, UART, USB or analog/digital output
Configuration utility runs on Windows, MacOS and Linux

Pixy (CMUcam5) Smart Vision Sensor - Object Tracking Camera for Arduino, Raspberry Pi, BeagleBone Black

$69.00 | Fast, FREE Shipping with Amazon Prime In stock on February 6, 2017. Order it now. Sold by Charmed Labs and Fulfilled by Amazon. Gift-wrap available.

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Product Description

Pixy is a smart vision sensor you can quickly “teach” to find objects. It saves you time by only outputting the object data you're interested in. A multitude of connection options means you can use Pixy with almost any microcontroller. It connects directly to Arduino with the included cable, and fully supports Raspberry Pi and BeagleBone Black with included software libraries. Included in the box is mounting hardware to attach Pixy to your robot creation. The firmware, software and hardware are open source, so you can tweak to your heart's delight. Free tech support is included on the CMUcam wiki! Note: if you are using an Arduino shield in conjunction with Pixy, you may need to purchase Stackable Headers for the Pixy cable to fit. USB cable not included.

Product Information

Product Dimensions

2.2 x 1.5 x 2.2 inches

Item Weight

1.6 ounces

Shipping Weight

1.6 ounces (View shipping rates and policies)

ASIN

B00IUYUA80

Item model number

LYSB00IUYUA80-ELECTRNCS

Customer Reviews

110 customer reviews

4.4 out of 5 stars

Best Sellers Rank

#1,734 in Camera & Photo
#144 in Camera & Photo > Surveillance Cameras > Hidden Cameras
#1,210 in Electronics > Security & Surveillance

Date first available at Amazon.com

March 7, 2014

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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Important Information

Seller Warranty Description

90 day replacement warranty

Customer Questions & Answers

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Customer Reviews

110

4.4 out of 5 stars

5 star		69%
4 star		16%
3 star		6%
2 star		3%
1 star		6%

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Top Customer Reviews

Disappointing

ByJohn Gabyon September 19, 2014

Verified Purchase

The camera has promise, but is currently deficient in a number of ways. First of all, the camera they chose to use has poor color saturation. Since all of their recognition is based off of color, this is particularly a problem. For example it is practically impossible to get it to recognize dark blue except under ideal lighting.

Secondly, although it works pretty well in demo situations where the lighting is constant, it performs poorly when the lighting conditions change. If you get it to recognize a color under one set of lighting conditions, it will no longer recognize it when the lighting shifts. This is a problem for us since we would like to use this on a robot which moves around which causes the lighting conditions to change.

Some of these problems might be fixable if we could modify the firmware, but although the firmware is open source, the tools required to build it are not and cost thousands of dollars. They have promised to provide open source tools, but, as far as I know, this promise has not yet been met.

66 comments 37 people found this helpful. Was this review helpful to you?YesNo

Make sure it fits your needs first.

ByBrianon December 20, 2014

Verified Purchase

Pixy, what can I say? The kickstarter demo video had me drooling, but after experimenting with the device I came away with a shrug. It works really great on items that are CLOSE to the camera (within a few feet) and ONLY if the lighting is superb, AND if there are minimal possibilities of background disruptions. For example, notice in the video all of the backgrounds for the camera are solid colors or minimally disruptive (the white table, the ping-pong table, the tacky-as-all-get-out wallpaper). Enter: the real world. If you hook this on a robot that drives from room to room... prepare to be disappointed. The lighting in each room is different. The shading and the shadows throw off the color matching. Incandescent, LED, fluorescent... each light has a different impact on the sensor. Drive outside and things get worse. The difference in brightness between sunlight and shadow is HUGE when it comes to photography and this little sensor doesn't auto adjust like a champ. That's why, despite all this wonderful technology, professional photographers still have jobs. But I digress...

I was expecting the sensor to work like my cell phone camera: providing crisp, clear colors that I could use to key off of for object detection. Instead, everything is sort of "washed out" making the brightest pink, nuclear orange, and sunspot yellow sticky notes all appear to have the same hue. Weird, but true. To help improve the "distance" at which it could see I tried using a narrow field of view lens: 12 degree. It was nice that I could simply unscrew the original lens and screw in the new one. The distance was great, about 8 feet, but this did not improve the detection capabilities despite having an IR cut-off filter.

In summary, it's a neat little device, but I would say it's still in beta and has lots of room for improvement before it will see wide adoption. For now, it's a niche sensor for some fun and interactive projects. Hopefully the improvements they make are purely software and my Pixy will get better over time, but I suspect that an improved sensor is in order which means my may quickly find itself holding down the corner of a drawer somewhere. Yes, it only does color blob detection. Not faces. Not shapes. Not anything greyscale (you cannot detect black, or white). So, if you want to do color blob detection (or face detection, or object detection), you can get the same result, and have a boatload more capability by using a Raspberry Pi with the Raspi Camera module for less money than the Pixy.

22 comments 23 people found this helpful. Was this review helpful to you?YesNo

Great little camera!

ByDaniel G. Harrison April 2, 2014

I just received my Pixy from the kickstarter campaign. It was worth the wait! It is very simple to train it to track multiple colors. It is super snappy and updates tracked objects very quickly - documentation states 50 Hz - I haven't measured the frame rate directly yet, but it is certainly fast enough to pick up and track objects waving around in front of it. I also picked up the Pan/Tilt kit, and the Pixy updates its servos to track very quickly - almost a little too quickly at times. I say this because it seems to try to center multiple tracked blobs in the camera's field of view. If you have the camera set to track an object that doesn't contrast very highly with the environment, noise is inadvertently tracked and the servos have to work overtime to try to keep things centered. Better ambient lighting on my end will help this. *makes mini head light*

The resolution on the camera is a little low, but perfectly adequate for what it needs to do. Charmed Labs left the camera's lens focus-able by screwing it in or out of it's housing. They give you a set screw to tighten the lens to your preferred level of focus. It is little touches like this that I appreciate. :)

The overall hardware design and firmware interface to the Pixy is top notch. As a PCB layout and computer engineer, the hardware/software/mechanical design is very well thought out! Most of the image-processing hard work is already taken care of by the pre-loaded software running on the ARM CPU. I can tell I am going to have a fun time giving my robot minions some form of sight through color blob tracking. I'm hoping the embedded firmware will be released so I can modify it to track in different ways.

Recommended for those with a little embedded programming (Propeller/Pi/Arduino) experience! Well played, Charmed Labs...well played!

22 comments 13 people found this helpful. Was this review helpful to you?YesNo

Use for Robot Homing

ByM. Rigsbyon May 18, 2014

Verified Purchase

This is a great little system for embedded image processing.
The camera interfaces easily to Arduino with an included cable. It recognizes up to seven "trainable" colors. It provides the x,y coordinates of the center of the recognized object, as well as the width and the height. Left/right is 0 to 319 and up/down is 0 to 199.
Within two days of receiving this, I had built a "home charging station" for my robot. The Pixy camera enables my robot to find its way there . . just search for Pixy Camera Robot to find more details on how to make it work.
If you want to try machine vision with a minimal learning curve and minimal cost, this is certainly the way to go.

0Comment 11 people found this helpful. Was this review helpful to you?YesNo

We used this sensor for high goal recognition on our ...

Byelectrokenon June 15, 2016

Verified Purchase

We used this sensor for high goal recognition on our 2016 FRC Stronghold robot. Using only the simplest interface (1 analog, 1 digital output) this sensor transformed our robot into one of the highest scoring in the world (out of 3100 teams). Our team struggled with image processing for years, but no more. The Pixy puts it within the reach of any FRC team.