效果代码：
#define t 30
#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();
}
//左到右右到左
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
// 将第一个 LED 从左向右移动，第二个 LED 从右向左移动
for (int i = 2; i < 13; i++) {
clear();
digitalWrite(i, HIGH); // chaser 1
digitalWrite(count, HIGH); // chaser 2
count--;
// 停止 LED ，静止在中间
if (count != 7) {
delay(t2);
}
}
// 将第一个 LED 从右向左移动，将第二个 LED 从左向右移动
for (int i = 13; i > 2; i--) {
clear();
digitalWrite(i, HIGH); // chaser 1
digitalWrite(count, HIGH); // chaser 2
count++;
// 停止 LED ，静止在中间
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()
{
clear();
for (int i = 2; i < 13; i++) {
for (int pin = 13; pin >= i; pin--)
{
digitalWrite(pin, HIGH);
delay(t1);
digitalWrite(pin + 1, LOW);
delay(t1);
}
}
}
/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);
}
}