Thank you, I had also found a very good site which explained the details (https://diyi0t.com/sd-card-arduino-esp8266-esp32/) but the problem is that the modules that are found in stores do not do not necessarily have the same pins as in the diagrams.
Yes I had seen the software, it is really simple and great (my profile picture comes from the software ^^)
When discussing hardware it is best tp post links to parts and simple wiring diagrams.
A simple list of pins often is as good as a schematic for questions like this.
This did not transfer well, but shows the ESP8266 pins
| SD Card Pin | ESP8266 NodeMCU | ESP8266 WeMos D1 Mini |
|---|---|---|
| GND | GND | GND |
| VCC | 3V3 or VIN | 3V3 or 5V |
| MISO | D6 | D6 |
| MOSI | D7 | D7 |
| SCK | D5 | D5 |
| CS | D8 | D8 |
Thanks !
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