ARDUINO.OS v0.9

Clock, Timer(date), Text reader, Simple game, Distance meter(sonar), Thermometer. Libraries used:

time.h NewPing.h (SONAR) LCD4Bit_mod.h LiquidCrystal.h (SCREEN) Wire.h OneWire.h RTClib.h (TIMER) DS18B20.h (THERMOMETER)

Modules used:

Arduino UNO R3 Atmel ATMega328, shield LCD ARDUINO, HC-SR04, RTC I2C 24C32 DS1307 + battery, DS18B20