This video features the demonstration of a room temperature controller project using LM35 temperature sensor, the project is realised using a 4x4 Matrix Membrane Keypad, I2C 1602 LCD, LM35 Precision Centigrade temperature Sensor, and 1 Channel 5V Relay Board Module, controlled by the Arduino Uno microcontroller, further elaboration of project details shall be done in a series of videos.