Hammer LCD 8bit Color STN

This is a "HowTo" for the Panasonic EDMGRB8KJF ([[media:edmgrb8jf.pdf|Datasheet]]) available from EarthLCD to be used with the Hammer development module from TinCanTools

NOTE: VCON should be variable control to adjust contrast and the VDD should have separate power control, i.e. via a gpio