This isn’t about connecting a temperature sensor in your Arduino. This build is about using the temperature sensor in your clock. The ATMega328p, the chip at the heart of all your Arduino Uno ...

Arduino Sketch //Room Temperature Monitor //T.K.Hareendran #include <LiquidCrystal.h> // Include the library to use a LCD display #define tempSensor 0 // Define the A0 pin as “sensor” int Vin; // ...