Here is a pic of the back of the lcd. It shows that the JPE and JPB pads have been soldered closed. Those correspond with (0 to +5v) and inverted. Here is the code I used to test it. I got my start by changing code from djmatic.
Tag Archives: crystalfontz
LCD SUCCESS!!
I’m pretty happy I FINALLY got the arduino to hook up correctly with two different hd44780 displays. I used the arduino example found here. I had done this before, but I found out that the Liquid crystal library is kind of broken. It needs to have a few lines swapped out in order to load …