Pinebook SDIO gpio control using SD card slot blog post
#9
(07-22-2017, 02:02 PM)MarkHaysHarris777 Wrote:   

The above pics are option (2);  the model from Sparkfun is a little more expensive, but arrived in two days.  The Chinese version will be here in 30 days from Shenzhen (if I'm lucky with customs).  These plug directly into the micro SD slot (although its a little tricky, I did have to use the dremel tool).  The layout is similar but different; in this model the Vss and Vdd are together in the center.



Again, we have tapped the gpio(s) after mounting header pins on the sniffer card;  the sniffer card is designed to be a logic test point for logic analyzer.  I won't be pushing an SD card in the slot but will experiment with the gpio(s) using this direct interface.

Note:  pin (CD) is card-detect ;  also  D3.



hi, good thread. wanted to mention that sparkfun also has this sd card sniffer.
 https://www.sparkfun.com/products/11468
also, if you are not aware some vendors will also ship from hong kong by request.
i have been getting hk stuff much faster.


Messages In This Thread
RE: Pinebook SDIO gpio control using SD card slot blog post - by dkryder - 07-23-2017, 09:36 PM

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