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themos

Would you make a DSLR USB shutter control cable for me?

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Hello, 

After trying to make USB shutter control cable for an EOS 20D and failing (soldering skills and eyesight failing) I am asking the community to help me finish this. I already have an FTDI USB to TTL cable for the job and I have converted the 20D shutter control to 2.5mm female audio jack. The circuit needed  is like this one

4808_110_84.jpg

except it will be driven by the GREEN/BLACK wires of the FTDI cable instead of the pin-7/pin-5 of the serial port in the diagram. If you can help, please get in touch.

 

Themos

 

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It might be worth noting that the TTL converter may not be outputting the same voltage levels as a real serial port would have. 

Also, it's simple enough to include activity indicator LED's.

 

 

Screen Shot 2016-12-23 at 12.44.54 AM.png

Screen Shot 2016-12-23 at 12.46.28 AM.png

Edited by zfedoran
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