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Description: This board is a unique board recommended by a SparkFun customer. When playing with SD, you sometimes need to view what the SPI traffic is doing, whether for hacking or debugging. The SD Sniffer allows you to hook up an external device, such as a logic analyzer or microcontroller, to view what signals are being passed back and forth. Insert one side into a regular SD socket and a SD card into the SD holder, simple as that.

Note: This product is a collaboration and a portion of each sale goes toward the designer for product support and continued development.

Documents:

Replaces: TOL-09237

Comments 4 comments

  • Is it possible to cut the SD card portion of the PCB and make an extension cable to the holder portion?

    Edit: Well looks like you can. Simply ignore WP and CD.

  • While I understand the Electric Imp isn’t an actual SD card and only uses the same form factor, wouldn’t this sniffer still be able to intercept what’s being passed back and forth? Couldn’t data be redirected to an alternate “mothership” as some call it?

    • Sure, this is a very handy board for Imp troubleshooting.

      Keep an eye on the Imp’s pin-out; the power and ground pins should match up, but that’s about it.

      Also, you’ll want to cut that jumper on the back of the Sniffer so as not to short pin 6 (where the Imp connects to the ID chip) to ground.

  • I just wanted to note that access to the additional pins is a welcome an appreciated change. :)


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