4 Digit 7 Segment Display Showing Text?

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i bought 4 digit 7 segment display , inputting numbers , counter have been simple enough have no idea how make display text.

(this display) https://www.adafruit.com/product/1268

on adafruit's website can use show letters

" print(variable,hex) - print hexidecimal number, 0000 ffff"

(found here) https://learn.adafruit.com/adafruit-led-backpack/1-2-inch-7-segment-backpack

but there way make display print full range of letters , words?
the examples saw in library downloaded have hexidecimal number 0000 ffff

i new arduino , have done few projects in school advice on greatly!


get hold of 7 toothpicks , experimenting.

don


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