ANALOG OUTPUT FROM ARDUINO-UNO

This project demonstrates how we can obtain an analog output from an Arduino development board. The demonstration is done through fade-in and fade-out effects of LEDs using the Arduino UNO. The glowing intensity varies with varying voltage from the Arduino.

An important application of analog output from Arduino is digital regulation of voltage. Since the Atmega328p used in Arduino UNO is a 8bit microcontroller, we can obtain 256(2^8) steps of variation between 0V and 5V.

The sketches are given below.





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