Arduino स्केच:
const int ledCount = 6;
const int ledPins[ledCount] = {3, 5, 6, 9, 10, 11};
int brightness[ledCount];
int fadeDirection[ledCount];
int speed = 10;
unsigned long previousMillis = 0;
void setup() {
for (int i = 0; i < ledCount; i++) {
pinMode(ledPins[i], OUTPUT);
brightness[i] = 0;
fadeDirection[i] = random(1, 3) == 1 ? 1 : -1;
}
}
void loop() {
unsigned long currentMillis = millis();
if (currentMillis - previousMillis >= speed) {
previousMillis = currentMillis;
for (int i = 0; i < ledCount; i++) {
brightness[i] += fadeDirection[i] * random(1, 6);
if (brightness[i] >= 255) {
brightness[i] = 255;
fadeDirection[i] = -1;
} else if (brightness[i] <= 0) {
brightness[i] = 0;
fadeDirection[i] = 1;
}
analogWrite(ledPins[i], brightness[i]);
}
}
}
यह उदाहरण PWM का उपयोग करके एलईडी को बेतरतीब ढंग से चालू और बंद करता है। कृपया ध्यान दें कि डायोड Arduino Nano बोर्ड पर PWM पिन से जुड़े हुए हैं।
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