Modify a card reader - page 2 - General Chat - CHDK Forum

Modify a card reader

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Re: Modify a card reader
« Reply #10 on: 12 / May / 2009, 01:00:45 »
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Same thing I have made on all my cardreaders. But multi-cardreader after this don't erase my xD cards :) Maybe resistor instead of short-circuit is better solution.

The two points (red and blue) should not have been soldered together as in the picture. Instead the rightmost one (blue) should be connected to the ground to force unlock. The left position (red) is used to indicate the card presence (at least for my card reader i-connect model).

Attached the updated schematics.

Note: I use a switch instead of soldering the blue pin together for flexibility reason.
« Last Edit: 12 / May / 2009, 01:03:28 by toinech »

Re: Modify a card reader
« Reply #11 on: 31 / January / 2010, 12:21:49 »
Thank you all, I just did it to my reader, connecting the left blue thing to the casing, works great!

 

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