ESP8266 Community Forum

Posted: **Sun Sep 24, 2017 3:36 am**

How to use SDIO to operate SD Card module with Micropython?

data0,data1,data2,data3,CMD,CLK,

Posted: **Mon Sep 25, 2017 10:12 am**

You can not use the SDIO mode, but you can connect it in SPI mode.
Here is the big thread started in 2015 :
viewtopic.php?f=32&t=3558

How to use SDIO to operate SD Card module?