Education

Robo Explorers 1

Beginners guide to Robotics

Introduction to PCB

Arduino

Yellow LED

Buzzer

Potentiometer

3 LED Math

Motor

UV LED

Robo Explorers

The UV LED or the Ultraviolet LED works the same as a regular LED but it produces UV light when some power is provided to the component. Let’s understand how an LED is able to produce specific color and in this case UV color light.

Let’s have a look at the code for the UV LED and understand it’s setup.

#include <avr/io.h>  //gpio setup
#include <avr/interrupt.h> //for interupt service routines
#include <util/delay.h> // here the delay function is found
#include <stdio.h> // for printf and stuff
#include "usart.h" // serial communication

int main(void){
    int state = 0;
    DDRD = 0xFF; // FOR LED
    DDRC = 0xF0; // FOR BUTTON
    DDRB = 0xFF;
    PORTD = 0x00;
    PORTB = 0x00;
    PORTC = 0x3F;
    while (1){
        PORTD = 0b11111000;
        if(PINC==0b00111111){
            PORTB = 0b00000000;
        }
        if(PINC==0b00111101){
            
            PORTB = 0b00000001;
        }
        if (state == 0){
            if(PINC==0b00111110){
                PORTB = 0b00000010;
                _delay_ms(2000);
                state = 1;
            }
        }
        if (state == 1){
            if(PINC==0b00111110){
                PORTB = 0b00000100;
                _delay_ms(2000);
                state = 0;
            }
        }
    }
}