I have created a very simple helper library for the USB / Serial LCD backpack. It exposes functions to help clear the display, setting display options as well as writing text.
I created it for my own use, but I’m posting this here in case anyone else needs it.
USB + Serial Backpack Kit with 16×2 RGB backlight positive LCD – Black on RGB: Adding a character display to your project or computer has never been easier with the new Adafruit USB or TTL serial backpack! This custom-designed PCB sits on the back of our ‘standard’ character LCD (16×2 or 20×4 sized) and does everything you could want: printing text, automatic scrolling, setting the backlight, adjusting contrast, making custom characters, turning on and off the cursor, etc. It can even handle our RGB backlight LCDs with full 8-bit PWM control of the backlight. That means you can change the background color to anything you want – red, green, blue, pink, white, purple yellow, teal, salmon, chartreuse, or just leave it off for a neutral background. Read more.
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