==== Nokia 5110 LCD ==== {{:interfaces:nokia5110.jpg?200}} These are inexpensive LCD modules originally designed for mobile phones but now available on PCBs for general purpose usage. The controller on the device is a Philips PCD8544. === Pinout === There are at least three varieties of LCD board, my example uses this pinout. ^Pin ^Name ^Function | |8 | LED | Back light | |7 | SCLK | Serial clock | |6 | DN | Serial data | |5 | D/C | Data/command | |4 | RST | Reset | |3 | SCE | Chip enable | |2 | GND | Ground | |1 | VCC | 3V3 power | === Resources === [[https://wiki.kewl.org/downloads/PCD8544.PDF|PCD8544 Data-sheet]] [[https://wiki.kewl.org/downloads/TLS8204V12.PDF|TLS8204 Data-sheet]] [[https://www.e-tinkers.com/2017/11/how-to-use-lcd-5110-pcd-8544-with-arduino/|Guide]] [[https://carlosefr.github.io/pcd8544/|Font editor]]