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4 x 7 segment LCD display

Posted: Wed Mar 07, 2018 7:50 am
by Nippy
Hi, I think I may have blown my 4 x 7 segment LCD display that I have attached to a Feather HT16K33.
I am unable to get it to work on the two projects I was attempting.
Can anyone help me with the most basic way of testing the display to check if it's ok?
Or point me to somewhere that might be useful to read? Thanks :?