Arduino – PWM
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int leds[]={6, 9, 10, 11}; int swUp=2; int swDown=3; int pwms=0; void setup() { Serial.begin(9600); pinMode(swUp, INPUT); pinMode(swDown, INPUT); } void loop() { if (digitalRead(swUp)) { pwms++; } else if (digitalRead(swDown)) { pwms--; } if (pwms>255) { pwms=255; } else if (pwms<0) { pwms=0; } Serial.print("PWM : "); Serial.println(pwms); for (int i=0;i<4;i++) { analogWrite(leds[i], pwms); } } |