Public Lab Research note


Infragram Webcam and Arduino

by HoughtonHonors | March 08, 2014 22:08 | 158 views | 3 comments | #10146 | 158 views | 3 comments | #10146 08 Mar 22:08

Read more: publiclab.org/n/10146


I am working on building a radiosonde (weather balloon). From this radiosonde I'd like to take NDVI pictures so I can see how the ratio of infrared to visible light changes with altitude.

I am currently planning on running everything through an Arduino Due. I would like to take pictures using the Public Lab Infragram Webcam, however I'm struggling to find any information on how to set up the webcam with an Arduino. I can't even find how the Infragram Webcam handles it's communication.

At this point I think that the Arduino is going to be to weak to handle a camera. I thought someone here at Public Lab might have some insight either into how the Infragram Webcam worked or using an Arduino to take NDVI pictures.

Thanks! --A Red Man


3 Comments

I hope it is not a webcam else I do not se how you can do that with a arduiono, not enough memory to hold the pics and usb stack for cam communication. No if it is a canon cam you can load chdk on it en tirgger it with a ttl pulse to make a picture. If you want simple interval pictures do not use a arduino but only chdk. Of couse if it is a canon cam.

Do you knwo what of cam it is??

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I don't think the arduino can interface with a webcam. It would need to run a USB bus natively. A few of the newer arduinos and teensy's can do this. not sure if a webcam would work.

There are some Arduino projects to get a camera onto it. check out this list of hackable cameras

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I wouldn't use the arduino, I am always hesitant in saying it is not possible (because technically I believe we can accomplish anything) but the difficulties would be enormous using an arduino. An arduino just doesn't have the horse power for a USB camera. You can get affordable cameras and modify them with public lab filters and do it (you will need to attach a SD card to the arduino) but a USB webcam would be very tough.

Another option - use a Pi or Beagle bone for camera/image processing, the infragram webcam plugs right into their USB port and they run linux so you can process images on board. Attach an arduino to the Pi or beagle bone and use the arduino for real time communications to the ground.

if you are stuck on using an arduino, get a JPEG camera from adafruit and convert it with a filter.

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