Hello! Could anybody post a working driver for a hd44780 display connected via gpio to a raspberry pi 1 rev 2? The driver I tried doesnt seem to work: BTW: is the correct ConnetionType "rpi" or "raspberrypi"? I found both on the web. And is the correct pin mapping "pin_D4=25" or "D4=25". Also found both on the web... Thanks!!