Why do you need to hook-up 21 wires if it's a serial backpack LCD as you elude to in the first post...? Is this part of the problem... ie using the serial backpack library with a standard non-serial LCD? Which part number did you buy?
G.
Why do you need to hook-up 21 wires if it's a serial backpack LCD as you elude to in the first post...? Is this part of the problem... ie using the serial backpack library with a standard non-serial LCD? Which part number did you buy?
G.