So I am trying to read in a matrix of values from an SD card, and I am successfully doing so. Ideally, I would do this reading in of the matrix via a function called in the setup(), and be able to manipulate the data inside of the matrix in loop(). However, I am uncertain how to allow the matrix to …

Accessing values read from an SD card in setup() and loop()

Topic		Replies	Views
Getting global constants from an SD card Storage	5	1407	May 6, 2021
Reading .txt files from SD card Storage	3	2940	May 6, 2021
reading variable date from sdcard Storage	7	9523	May 6, 2021
How to read variables stored on an SDCard? Programming	9	8823	May 5, 2021
get data from sd card Programming	11	3136	May 5, 2021