Hi I have a project that passes data from a Mega 2560 to an Uno using wire.h that is hosting a MP3 Music Maker shield. The data that is passed and turned into a string is simply the name of a track that I wish to play from the tracks one the SD card. I have assigned a String variable called playtr…

Passing a string to open file on SD card

arduino_new May 3, 2018, 4:06am 2

Try playFullFile(playtrack.c_str())

Topic		Replies	Views
I can't open an SD card file using a variable containing the filename Programming	21	9190	May 5, 2021
SD.open won't work with variable as parameter Programming	7	2930	May 5, 2021
Using a variable file name? Storage	3	5907	May 6, 2021
SD Card Programming	9	1981	May 5, 2021
Trouble opening file with SD.open(String FileName, FILE_WRITE); Storage	4	11938	May 6, 2021