SunFounder Raspberry Pi CPU / RAM 5110 Mini LCD Display 84 * 48 PCD8544 Shield For Model B + / B (Electronics)
Personally, the screen was slightly scratched on his arrival (striped SUB protective film, it is a shame). As for the display of information, I invite you to take a look at the code and doc that found in the end shared by SunFounder link there is C c