Output Devices in Aurduino

There are multiple output devices which can be used in ARDUINO to produce different outputs such as LEDs, Sounds, LCD Displays etc.

ARDUINO to Display name on LCD Screen:

Connection is done the following way


SMART DOOR SYSTEM to enhance the experience of user during waiting time.

(how output devices can be put in use in real life situations)

By Swati and Pankhil

The door could use ultrasonic sensor and sense the presence of people on the entry automatically runs the doorbell and switch on ceiling fan which becomes comfortable for the people waiting outside.

Code for ultrasonic sensor and buzzzer


Video link