Adafruit USB + Serial LCD Backpack Add-On with Cable [Discontinued] USB Style_Mini-USB Plastic flanges with 4mm mounting

Plastic flanges with 4mm mounting holes on each pixel

Interface: I2C

the RS-485 standard allows for multiple devices to be connected on the same network

Beagle Bone Black or other mini-computer with this sleek black chiclet keyboard

We have some tutorials here

Adafruit USB + Serial LCD Backpack Add-On with Cable [Discontinued] USB Style_Mini-USB Plastic flanges with 4mm mountingAdding 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 can connect to the back of any 16x2 or 20x4 character LCD 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