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Public Lab Research note


Linear CCD

by borsaci06 | February 01, 2014 16:41 01 Feb 16:41 | #10001 | #10001

I already constructed a spectometer and testing it... I want to know whether a Linear CCD can be used like webcam... For the ones who are interested, a Linear CCD is a CCD that captures a single line of pixels at a time... These can be scavenged from old scanners...

Lately I disassembled my old Compeye Simplex flatbed scanner which I didnot use anymore for recycling parts for my 3d printer project and I saw the Linear CCD on the board... I thought it will be a good idea to use it as a spectrometer cam... No need for IR filter removal (it doesn't have one), no need for a lens and it captureas a single line...

The problem is to interface it with PC or a microprocessor like Arduino... I couldn't find any help on the web about this particular CCD so I decided to share with you here... Any help will be appreciated... Any ideas?...


5 Comments

Benjamin Hickman posted his early results from a linear array spectrometer here: http://publiclab.org/notes/bhickman/10-12-2013/ccd-diodearray-spectrometer. But his hardware was a little different.

There might be some good information in the links there. If you comment on that note he will probably be notified and might be able to help.

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Hi borsaci, I have been working on the CCD spectrometer mentioned in the link above. I have made some improvements since I posted that note and am hoping to post the updated work soon. As far as interfacing with a computer, I have been using a Stellaris Launchpad microcontroller from TI (~$13) and a GUI made in Processing (processing.org). If you think I may be of some help you can email me at benjaminhickman@hotmail.com.

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thank you... I checked the Benjamin's post and will be in contact... his hardware is a lot different and hard for me to keep up with... I will try to figure out a simpler approach...

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Has anyone tried to use a flatbed scanner as an image sensor? I was thinking of this after seeing an old make article.

http://makezine.com/projects/deluxe-scanner-camera/

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Note sure, but it seems vaguely similar to this: http://cfnewsads.thomasnet.com/images/large/553/553184.jpg except theirs appears to use filters instead of a grating.

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