Micro SD Card Tutorial : 6 Steps

Does the microSD card required? No What is it used for? Is it required for the Internet connection or just a feature so I can store data on

How to insert, install and format a micro SD card for your android phone This tutorial goes

tf slot Select the slot you want to format and your done But It says TF Card there, so that means that memory card was inserted correctly

tf slot meaning basically the error message means that your arduino couldnt communicate with the SD reader properly Micro SD TF Memory Card Reader Module with SPI interface