Hi! I’m working with the Redboard from Sparkfun and their 128x64 serial LCD (https://www.sparkfun.com/products/9351) and I’m running into an issue.
I have tried several different example codes, and the display has not been working even though the backlight comes on when powered. Most recently, I tried running the SerialGraphicLCDDemo (see attached). As usual, when I first plug it into the Redboard, the backlight comes on. Once I upload the program, nothing happens for about 5-10 seconds, and then the backlight goes off and gradually comes back on again. After that, more nothing.
So, I am not sure what the problem is or how to go about fixing it. I’ve tried looking for some answers, but haven’t found anything useful. If someone has an idea, solution, or website with the answer I missed, that would be great!
SerialGraphicLCDDemo.ino (15.1 KB)