OctoRGB is a little open-source python script for OctoPi, the Raspberry Pi version of OctoPrint.OctoPi is an operating system for Raspberry Pi that helps you to controls your 3d printer on your network.Depending of the percentage (%) of the print the rgb led(s) are going to change colors from red to green.This will help you to just check your 3d printer without needing to get your device out to check when is it done.
What you need :
(3) 220 ohms
(1) RGB LED
(1) 0.75 to 1.25m cable with 4 cables inside
(4) Jumper cable (Male to Female)
(1) Raspberry Pi with OctoPi
You can check it out at octorgb.000webhostapp.com !