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Arduino Project 006 - LED Interactive Chase Effect

RonWang12个月前 (06-25)电子编程333

Leave your circuit board intact from Project 5. You’re just going to add a potentiometer to this circuit, which will allow you to change the speed of the lights while the code is running. 

项目6  交互式跑马灯Interactive Led Chase Effect

06 Interacitve LED Chase Effect Circuit and Schematic

/* Coding Ron Wang
   June 25th 2024
   Autaba support for coding hardware
 */
// Project 6 - Interactive LED Chase Effect

byte ledPin[] = {4, 5, 6, 7, 8, 9, 10, 11, 12, 13}; // Create array for LED pins
int ledDelay; // delay between changes
int direction = 1;
int currentLED = 0;
unsigned long changeTime;
int potPin = 2; // select the input pin for the potentiometer
void setup() {
for (int x=0; x<10; x++) { // set all pins to output
 pinMode(ledPin[x], OUTPUT); }
 changeTime = millis();
}
void loop() {
ledDelay = analogRead(potPin); // read the value from the pot
 if ((millis() - changeTime) > ledDelay) { // if it has been ledDelay ms since last change
 changeLED();
 changeTime = millis();
 }
}
void changeLED() {
 for (int x=0; x<10; x++) { // turn off all LED's
 digitalWrite(ledPin[x], LOW);
 }
 digitalWrite(ledPin[currentLED], HIGH); // turn on the current LED
 currentLED += direction; // increment by the direction value
 // change direction if we reach the end
 if (currentLED == 9) {direction = -1;}
 if (currentLED == 0) {direction = 1;}
}

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标签: Arduino

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