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Topic # 172058 10-May-2015 14:00
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Dear All,

 

I'm trying to identify leads/connections doing to a single use endoscope camera with illuminating LED. The camera itself is missing.

The leads from the camera end enter a small board with an eprom (?24LC08B1, SB1415, JID) which I am guessing could be to prevent reuse. Further leads exit and go to the propriatory connector (10 pin - 8 in a circle and two in the middle of the circle)

I'm curious as to whether I could rewire the camera leads to a standard output to my laptop if I could get a complete endoscope.

Orange - SDA
Green - SCL

Yellow - VLED
Red - 3.3 V
Black - GND
White - VOut
Black - GND
Blue - 4 Mhz

My knowledge of such things is _minimal_....





A.





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  Reply # 1301445 10-May-2015 14:33
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Any kind of information on the make model of the camera, and a photo may also help.





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  Reply # 1301590 10-May-2015 20:09
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The endoscope product information data sheet doesn't mention the camera specifications.

The camera itself (which I dont have) is completely enclosed within the scope.

I can take a photo of the circuit board if that helps...

I was hoping the number and labels on leads on the board would ring a bell with someone....

A.


 
 
 
 


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  Reply # 1301593 10-May-2015 20:14
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SDA and SCL mean that it has an i2c device on it, probably the eeprom to ID it. vout is probably an analog video signal or possibly SDI digital video. Without a camera you arent really going to get anywhere I would say.




Richard rich.ms

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  Reply # 1301665 11-May-2015 06:38
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Connect a composite video signal between Vout and GND, see if the endoscope shows a picture.  It will be either NTSC or PAL, or might support both.  If there is a picture but noisy, then use the other GND (could be one for signal GND and one for power GND).  If it requires an EEPROM for ID, then you are probably stuffed as you don't have a camera to read out the EEPROM values.  The 4MHz signal will be only for clocking the camera, to save space of a crystal oscillator.  Vled is to drive the LED light, not required for getting a picture.




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