Camera on RS232 =? Micro-USB module + WebCam

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Kouso Wieaka's Avatar (by Gravatar)Kouso Wieaka posted on
August 25, 2005, 9:31 am
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Hi,

I recently saw a Micro-USB module on Dontronics's web site
(http://www.dontronics.com/micro-usb.html ). Appearently it convert RS232 to
USB and vice versa.

Would it possible (how) to use this Micro-USB module con connect and an
off-the shelf USB webcam  to a micro controller such as ATMega or PIC?
(I do not need high speed or high resolution images)





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Vadim Borshchev's Avatar (by Gravatar)Vadim Borshchev posted on
August 25, 2005, 10:12 am
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Re: Camera on RS232 Micro-USB module + WebCam



No.  Because Micro-USB module and a webcamera are both USB devices, and
you would need a USB host.

   Vadim

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Michael Gardner's Avatar (by Gravatar)Michael Gardner posted on
August 25, 2005, 10:57 am
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Re: Camera on RS232 Micro-USB module + WebCam



Does anyone make a USB host module?  I couldn't find one the last time I
looked.
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D Herring's Avatar (by Gravatar)D Herring posted on
August 26, 2005, 1:19 am
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Re: Camera on RS232 =? Micro-USB module + WebCam


Take a look at the CMUcam, it already outputs serial and may fit your needs.
http://www.cs.cmu.edu/~cmucam/

I've not used this product, but it resembles some designed-in-house
camera boards I've used that worked rather nicely.

Later,
Daniel

Wim Ton's Avatar (by Gravatar)Wim Ton posted on
August 26, 2005, 2:40 pm
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Re: Camera on RS232 =? Micro-USB module + WebCam



The STV0680B chip from ST that is used in numerous cheapo webcams has an
RS232 interface, although not for tethered video. You may have to dismantle
a webcam and add a RS232 driver.

Wim



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