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Sony Xperia mini pro mobile was launched in September 2011. The phone comes with a 3.00-inch touchscreen display offering a resolution of 320x480 pixels at a pixel density of 192 pixels per inch (ppi) ...

ATmega328p micro-controller as per schematic or alternatively a Arduino uno/nano module. Resistors: 20 ohms , 220 ohms, 660 ohms, 10K , 500ohms X 7, 1K X 4 Transistors 4 X 2N2222 NPN One 4 digit seven ...