HI Good Day everyone, I'm just new in arduino also no background in programming. I try to learn myself. I'm doing some simple projects. Use arduino to display in lcd 16x2 the list of user and password. My list store in sd card a txt file. I will use a micro sd, lcd display, arduino uno, and coin acceptor. Coin acceptor when generate pulse signal to pin 2 of arduino uno. When pulse send to pin 2 of arduino, arduino will read data from my sd card which is user and password and to display it to lcd screen in specific seconds.
connection of lcd and micro sd working.
i stop in data to display in lcd screen, if i used serial monitor to display the data it works, please help me how to display the text file of micro sd card to lcd screen. Thank you