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SD/MMC fits in floppy edge-connector

Step 303_good_pin_alignment.jpg

03_good_pin_alignment.jpg
I tried a lot of different connectors I had laying around to find one that could be used as an SD card socket. Here a floppy edge connector is being tested for SD card fit and alignment. You can see how well the (partially inserted) SD card pins align in the floppy connector. You can see the upper connector pins reflecting from the SD card pin pads.

Also, you can see that the ridge on the edge of the SD card slides firmly into the groove in the connector plastic pin separator, which aids card alignment (when the card is inserted using the connector even pins).

It causes no harm to insert the SD card backward, because the odd pins are not used in this application.
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Author:robwen