You probably only need to do the initialization bit once, so keep that in your setup() function. As you have it now, it's called multiple times, which likely messes things up. Thx for reply! For initialization bit do you mean this? pinMode(5, OUTPUT); SPIClass SPISD; SPISD.begin(18, 19, 23, 5); //S...

Hi!! Hi all! i started apart a project to test the sd read/write functions with succes than i created separeted functions to use in my code. void scrivi(String path, String message) { Serial.println(F("Initializing SD card...")); // On the Ethernet Shield, CS is pin 4. It's set as an output by defau...