LED chaser using arduino uno

Cool effect using arduino uno and led

Aug 22, 2020

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2 respects

entertainment system

led project

relaxing

Components and supplies

Jumper wires (generic)

Breadboard (generic)

Resistor 220 ohm

LED (generic)

Arduino UNO

Apps and platforms

Arduino IDE

Project description

Code

code for led chaser

c_cpp

first we should define all pins .secondly we should deside if the are output or input and of course led's are output. here we will make the first pin high and the second pin high and so on.

1int led1 = 13; //first we should define all pins 
2int led2 = 12;
3int  led3 = 11;
4int led4 = 10;
5int led5 = 9;
6int led6 = 8;
7int led7 = 7;
8int  led8 = 6;
9int led9 = 5;
10int led10 = 4;
11int led11 = 3;
12int led12 = 2;
13
14void  setup() {
15// put your setup code here, to run once:
16// secondly we should  deside if the are output or input and of course led's are output  
17pinMode(13,OUTPUT);
18pinMode(12,OUTPUT);
19pinMode(11,OUTPUT);
20pinMode(10,OUTPUT);
21pinMode(9,OUTPUT);
22pinMode(8,OUTPUT);
23pinMode(7,OUTPUT);
24pinMode(6,OUTPUT);
25pinMode(5,OUTPUT);
26pinMode(4,OUTPUT);
27pinMode(3,OUTPUT);
28pinMode(2,OUTPUT);
29}
30
31void  loop() {
32  // put your main code here, to run repeatedly:
33digitalWrite(led1,HIGH);//  here we will make the first pin high and the second pin high and so on.
34delay(100);
35digitalWrite(led2,HIGH);
36delay(100);
37digitalWrite(led3,HIGH);
38delay(100);
39digitalWrite(led4,HIGH);
40delay(100);
41digitalWrite(led5,HIGH);
42delay(100);
43digitalWrite(led6,HIGH);
44delay(100);
45digitalWrite(led7,HIGH);
46delay(100);
47digitalWrite(led8,HIGH);
48delay(100);
49digitalWrite(led9,HIGH);
50delay(100);
51digitalWrite(led10,HIGH);
52delay(100);
53digitalWrite(led11,HIGH);
54delay(100);
55digitalWrite(led12,HIGH);
56delay(100);
57digitalWrite(led1,LOW);
58delay(100);
59digitalWrite(led2,LOW);
60delay(100);
61digitalWrite(led3,LOW);
62delay(100);
63digitalWrite(led4,LOW);
64delay(100);
65digitalWrite(led5,LOW);
66delay(100);
67digitalWrite(led6,LOW);
68delay(100);
69digitalWrite(led7,LOW);
70delay(100);
71digitalWrite(led8,LOW);
72delay(100);
73digitalWrite(led9,LOW);
74delay(100);
75digitalWrite(led10,LOW);
76delay(100);
77digitalWrite(led11,LOW);
78delay(100);
79digitalWrite(led12,LOW);
80delay(100);
81
82
83}

int led1 = 13; //first we should define all pins 
int led2 = 12;
int  led3 = 11;
int led4 = 10;
int led5 = 9;
int led6 = 8;
int led7 = 7;
int  led8 = 6;
int led9 = 5;
int led10 = 4;
int led11 = 3;
int led12 = 2;

void  setup() {
// put your setup code here, to run once:
// secondly we should  deside if the are output or input and of course led's are output  
pinMode(13,OUTPUT);
pinMode(12,OUTPUT);
pinMode(11,OUTPUT);
pinMode(10,OUTPUT);
pinMode(9,OUTPUT);
pinMode(8,OUTPUT);
pinMode(7,OUTPUT);
pinMode(6,OUTPUT);
pinMode(5,OUTPUT);
pinMode(4,OUTPUT);
pinMode(3,OUTPUT);
pinMode(2,OUTPUT);
}

void  loop() {
  // put your main code here, to run repeatedly:
digitalWrite(led1,HIGH);//  here we will make the first pin high and the second pin high and so on.
delay(100);
digitalWrite(led2,HIGH);
delay(100);
digitalWrite(led3,HIGH);
delay(100);
digitalWrite(led4,HIGH);
delay(100);
digitalWrite(led5,HIGH);
delay(100);
digitalWrite(led6,HIGH);
delay(100);
digitalWrite(led7,HIGH);
delay(100);
digitalWrite(led8,HIGH);
delay(100);
digitalWrite(led9,HIGH);
delay(100);
digitalWrite(led10,HIGH);
delay(100);
digitalWrite(led11,HIGH);
delay(100);
digitalWrite(led12,HIGH);
delay(100);
digitalWrite(led1,LOW);
delay(100);
digitalWrite(led2,LOW);
delay(100);
digitalWrite(led3,LOW);
delay(100);
digitalWrite(led4,LOW);
delay(100);
digitalWrite(led5,LOW);
delay(100);
digitalWrite(led6,LOW);
delay(100);
digitalWrite(led7,LOW);
delay(100);
digitalWrite(led8,LOW);
delay(100);
digitalWrite(led9,LOW);
delay(100);
digitalWrite(led10,LOW);
delay(100);
digitalWrite(led11,LOW);
delay(100);
digitalWrite(led12,LOW);
delay(100);


}

Downloadable files

schematic for led chaser

first we should define all pins .secondly we should deside if the are output or input and of course led's are output. here we will make the first pin high and the second pin high and so on.

schematic for led chaser

first we should define all pins .secondly we should deside if the are output or input and of course led's are output. here we will make the first pin high and the second pin high and so on.

schematic for led chaser

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