I think he means a 4-line LCD not 4 wires.
OP, there are a lot of shields already made with LCDs, and may be easier to work with
than what you have, eg
I like this one, good to have switches,
I think he means a 4-line LCD not 4 wires.
OP, there are a lot of shields already made with LCDs, and may be easier to work with
than what you have, eg
I like this one, good to have switches,