So the 8x8 led matrix takes in input in the form of: B00000001 where 0 is off and 1 is on for that row. It's a byte but I wrote a function to automate generating them as strings. So this function outputs "B00000001" and I would like to convert this into a compatible form that the 8x8 led matrix can …

8x8 LED matrix String to Byte conversion

ieee488 November 14, 2017, 9:38pm 2

Which library were you planning on using?

Your question is vague.