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- From: gcouger@olesun.okstate.edu (Gordon Couger)
- Subject: Re: Cheap color sensor
- Message-ID: <1993Jan9.002400.2169@osuunx.ucc.okstate.edu>
- Sender: news@osuunx.ucc.okstate.edu (USENET News System)
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- Organization: Oklahoma State University, Stillwater
- References: <1993Jan8.194916.8558@black.clarku.edu>
- Date: Sat, 9 Jan 1993 00:24:00 GMT
- Lines: 19
-
- In article <1993Jan8.194916.8558@black.clarku.edu> kbasye@black.clarku.edu (Ken Basye) writes:
- >
- >I've been wondering lately about how one might build a very simple and
- >cheap color sensor. I have in mind something that would be fairly
- >reliable in providing 3 or perhaps even 4 bits of discrimination and
- >which would be fairly reliable given good input, e.g., having a
- >well-lit piece of colored construction paper put in front.
- >
- We are using some three color light emiting diodes as sensors. They appear to
- work well not as sensitive as photo diodes but they will work at reasonable
- light levels.
-
- I think we got them form LEDTRONICS some place in Calif.
- Good luck
- Gordon
-
- Gordon Couger
- AB5Dg Agriculture Engineering Oklahoma State University
- gcouger@olesun.agen.okstate.edu 405-744-6514 day 744-2794 evenings
-