TINAH can be used to indicate room temperature on 2×16 LCD display. Following sketch and the circuit diagram shows how this can be done.
The circuit diagram
Arduino code
Special features
Observe the following in the above code and the circuit diagram.
- LM35 temperature sensor is used. Know more about LM35
- Internal voltage reference for the ADC of atmega328 is used. It is 1.1V
- See how special symbol of degree Celsius is printed on the LCD display.
Download the source
Here is the source code (zipped .ino file) of this application.