If you have knowledge on this PLEASE don't hesitate to get hold of me. This is step one which as a beginner with arduino became quite an obstacle, due stictly to the crappy documentation of this ...

Do not drive the backlight with 5V. It will smoke. However, the backlight on the LCD seems to be happy with direct drive from the 3.3V regulator. Although the PCD8544 controller datasheet recommends 3 ...

Meanwhile, the Arduino Mega is getting the same USB chip along with an ATMega2560 processor with twice the memory. Right now only 128K is available, but that's a software limitation and they're ...