[Discontinued] Smart Controller LCD 12864 LED Turn On Control for 3D Printer RAMPs 1.4

This LCD allows you to turn on the light time to do long or short form of the adjustment TRIMM R4100K from 10 seconds to 2 minutes. If you use a print job at night and parts department, which means that the new modifications LCD backlight would be suitable for youLED background light control circuit, a small function of intelligent controller, With pin short time to decide on all LED turn or steering 30 seconds