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WiFi SD card to TF I am trying to wire a WiFi SD card so that it will insert into a TF socket. I connected each pin to its equivalent, with an extra GND on the SD card connected to the same on the TF. It's not working, and I wonder if I am missing something? enter image description here

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    \$\begingroup\$ It doesn't look like the pinout on the adapter is 1:1 have you verified this? Also the lines you have connected are not impedance controlled, and may affect the signals as such. At best, you will degrade the data rate. \$\endgroup\$ – Voltage Spike May 11 at 2:39
  • \$\begingroup\$ Yes, I know what you mean. I have double-checked it. I got the "adapter" from a TF extender cable. The only connection that causes confusion is the extra Vss/GND on the SD card. Am I correct in connecting both to the single GND on the TF? \$\endgroup\$ – Chris Kirtley May 12 at 8:12

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