Arduino code for name led chaser ( led sing))
#define t1 20
#define t2 100
#define t3 50
void setup() {
// set up pins 2 to 13 as outputs
for (int i = 2; i <= 13; i++) {
pinMode(i, OUTPUT);
}
}
/////////////////////////////////////////////////////////////////////////////////Effect 1
void loop(){
effect_1();
effect_1();
effect_2();
effect_2();
effect_3();
effect_3();
effect_4();
effect_4();
effect_5();
effect_5();
effect_6();
effect_6();
effect_7();
effect_7();
}
//left to right and right to left
void effect_1()
{
for(int i=2; i<14; i++){
digitalWrite(i, HIGH);
delay(t1);
digitalWrite(i+1, HIGH);
delay(t1);
digitalWrite(i+2, HIGH);
delay(t1);
digitalWrite(i, LOW);
delay(t1);
digitalWrite(i+1, LOW);
delay(t1);
}
for(int i=13; i>1; i--){
digitalWrite(i, HIGH);
delay(t1);
digitalWrite(i-1, HIGH);
delay(t1);
digitalWrite(i-2, HIGH);
delay(t1);
digitalWrite(i, LOW);
delay(t1);
digitalWrite(i-1, LOW);
delay(t1);
}
}
/////////////////////////////////////////////////////////////////////////////////Effect 2
void effect_2()
{
int count = 13; // keeps track of second LED movement
// move first LED from left to right and second from right to left
for (int i = 2; i < 13; i++) {
clear();
digitalWrite(i, HIGH); // chaser 1
digitalWrite(count, HIGH); // chaser 2
count--;
// stop LEDs from appearing to stand still in the middle
if (count != 7) {
delay(t2);
}
}
// move first LED from right to left and second LED from left to right
for (int i = 13; i > 2; i--) {
clear();
digitalWrite(i, HIGH); // chaser 1
digitalWrite(count, HIGH); // chaser 2
count++;
// stop LEDs from appearing to stand still in the middle
if (count != 8) {
delay(t2);
}
}
}
////////////////////////////////////////////////////////////////////////////////Effect 3
void effect_3()
{
for(int i=2; i<14; i++){
digitalWrite(i, HIGH);
delay(t3);
}
for(int i=2; i<14; i++){
digitalWrite(i, LOW);
delay(t3);
}
for(int i = 14; i>=2; i--){
digitalWrite(i, HIGH);
delay(t3);
}
for(int i = 14; i>=2; i--){
digitalWrite(i, LOW);
delay(t3);
}
}
///////////////////////////////////////////////////////////////////////////Effect 4
void effect_4()
{
for(int j = 2; j <= 13; j++){
digitalWrite(j, HIGH);
delay(t2);
j=j+1;
}
for(int j = 2; j <= 13; j++){
digitalWrite(j, LOW);
delay(t2);
}
for(int k = 15; k > 2; k--){
digitalWrite(k, HIGH);
delay(t2);
k=k-1;
}
for(int k = 15; k > 2; k--){
digitalWrite(k, LOW);
delay(t2);
}
}
//////////////////////////////////////////////////////////////////////////////Effect 5
void effect_5()
{
for(int pin = 15; pin >= 2; pin--)
{
digitalWrite(pin, HIGH);
delay(t1);
digitalWrite(pin+1, LOW);
delay(t1);
}
for(int pin = 15; pin >= 2; pin--)
{
digitalWrite(pin+1, HIGH);
delay(t1);
digitalWrite(pin+2, LOW);
delay(t1);
}
for(int pin = 15; pin >= 2; pin--)
{
digitalWrite(pin+2, HIGH);
delay(t1);
digitalWrite(pin+3, LOW);
delay(t1);
}
for(int pin = 15; pin >= 2; pin--)
{
digitalWrite(pin+3, HIGH);
delay(t1);
digitalWrite(pin+4, LOW);
delay(t1);
}
for(int pin = 15; pin >= 2; pin--)
{
digitalWrite(pin+4, HIGH);
delay(t1);
digitalWrite(pin+5, LOW);
delay(t1);
}
for(int pin = 15; pin >= 2; pin--)
{
digitalWrite(pin+5, HIGH);
delay(t1);
digitalWrite(pin+6, LOW);
delay(t1);
}
for(int pin = 15; pin >= 2; pin--)
{
digitalWrite(pin+6, HIGH);
delay(t1);
digitalWrite(pin+7, LOW);
delay(t1);
}
for(int pin = 15; pin >= 2; pin--)
{
digitalWrite(pin+7, HIGH);
delay(t1);
digitalWrite(pin+8, LOW);
delay(t1);
}
for(int pin = 15; pin >= 2; pin--)
{
digitalWrite(pin+8, HIGH);
delay(t1);
digitalWrite(pin+9, LOW);
delay(t1);
}
for(int pin = 15; pin >= 2; pin--)
{
digitalWrite(pin+9, HIGH);
delay(t1);
digitalWrite(pin+10, LOW);
delay(t1);
}
for(int pin = 15; pin >= 2; pin--)
{
digitalWrite(pin+10, HIGH);
delay(t1);
digitalWrite(pin+11, LOW);
delay(t1);
}
for(int pin = 15; pin >= 2; pin--)
{
digitalWrite(pin+11, HIGH);
delay(t1);
digitalWrite(pin+12, LOW);
delay(t1);
}
for(int pin = 15; pin >= 2; pin--)
{
digitalWrite(pin+12, HIGH);
delay(t1);
digitalWrite(pin+13, LOW);
delay(t1);
}for(int pin = 15; pin >= 2; pin--)
{
digitalWrite(pin+13, HIGH);
delay(t1);
digitalWrite(pin, LOW);
}
}
/////////////////////////////////////////////////////////////////////////////Effect 6
void effect_6()
{
for(int j=2; j<14; j++){
digitalWrite(j, LOW);
delay(t);
digitalWrite(j, HIGH);
delay(t);
digitalWrite(j-2, LOW);
delay(t);
digitalWrite(j, HIGH);
}
for(int k = 15; k>2; k--){
digitalWrite(k, LOW);
delay(t);
digitalWrite(k, HIGH);
delay(t);
digitalWrite(k+2, LOW);
delay(t);
digitalWrite(k, HIGH);
}
for(int k = 2; k<14; k++){
digitalWrite(k, LOW);
delay(t);
digitalWrite(k, HIGH);
delay(t);
digitalWrite(k-2, LOW);
delay(t);
digitalWrite(k, HIGH);
}
for(int k = 15; k>2; k--){
digitalWrite(k, LOW);
delay(t);
digitalWrite(k, HIGH);
delay(t);
digitalWrite(k+4, LOW);
delay(t);
digitalWrite(k, HIGH);
}
for(int k = 2; k<14; k++){
digitalWrite(k, LOW);
delay(t);
digitalWrite(k, HIGH);
delay(t);
digitalWrite(k-4, LOW);
delay(t);
digitalWrite(k, HIGH);
}
}
///////////////////////////////////////////////////////////////////////////////////Effect 7
void effect_7()
{
for(int j=2; j
<14; j++){
digitalWrite(j, HIGH);
delay(t);
digitalWrite(j+2, LOW);
delay(t);
}
for(int k = 15; k>2; k--){
digitalWrite(k, HIGH);
delay(t);
digitalWrite(k+2, LOW);
delay(t);
}
}
// function to switch all LEDs off
void clear(void)
{
for (int i = 2; i <= 13; i++) {
digitalWrite(i, LOW);
}
}
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