Inhaltsverzeichnis
RGB-LED automatisch dimmen
Arduino
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 | // Farbe rot an Pin 11 int LEDrot = 11; // Farbe grün an Pin 10 int LEDgruen = 10; // Farbe blau an Pin 9 int LEDblau = 9; void setup() { pinMode(LEDrot, OUTPUT); pinMode(LEDgruen, OUTPUT); pinMode(LEDblau, OUTPUT); } void loop() { analogWrite(LEDrot, 255); delay(1000); analogWrite(LEDrot, 0); analogWrite(LEDgruen, 255); delay(1000); analogWrite(LEDgruen, 0); analogWrite(LEDblau, 255); delay(1000); analogWrite(LEDblau, 0); } |
Wemos D1 Mini
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | int LEDrot = D1; int LEDgruen = D2; int LEDblau = D3; void setup() { pinMode (LEDblau, OUTPUT); pinMode(LEDgruen, OUTPUT); pinMode(LEDrot, OUTPUT); } void loop() { // rot heller for (int i = 0; i < 250; i += 10) { analogWrite(LEDrot, i); delay(200); } // rot dunkler for (int i = 250; i > 0; i -= 10) { analogWrite(LEDrot, i); delay(200); } // grün heller for (int i = 0; i < 250; i += 10) { analogWrite(LEDgruen, i); delay(200); } // grün dunkler for (int i = 250; i > 0; i -= 10) { analogWrite(LEDgruen, i); delay(200); } // blau heller for (int i = 0; i < 250; i += 10) { analogWrite(LEDblau, i); delay(200); } // blau dunkler for (int i = 250; i > 0; i -= 10) { analogWrite(LEDblau, i); delay(200); } } |
ESP32-Wroom
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | int LEDrot = 19; int LEDgruen = 18; int LEDblau = 5; void setup() { pinMode (LEDblau, OUTPUT); pinMode(LEDgruen, OUTPUT); pinMode(LEDrot, OUTPUT); } void loop() { // rot heller for (int i = 0; i < 250; i += 10) { analogWrite(LEDrot, i); delay(200); } // rot dunkler for (int i = 250; i > 0; i -= 10) { analogWrite(LEDrot, i); delay(200); } // grün heller for (int i = 0; i < 250; i += 10) { analogWrite(LEDgruen, i); delay(200); } // grün dunkler for (int i = 250; i > 0; i -= 10) { analogWrite(LEDgruen, i); delay(200); } // blau heller for (int i = 0; i < 250; i += 10) { analogWrite(LEDblau, i); delay(200); } // blau dunkler for (int i = 250; i > 0; i -= 10) { analogWrite(LEDblau, i); delay(200); } } |
Mit Taster dimmen
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | /* Anschlüsse am Tastenfeld von links nach rechts GND D4 D5 D6 D7 */ int TASTER_EINS = 5; // Taste 1 int TASTER_ZWEI = 4; // Taste 2 int TASTER_DREI = 7; // Taste 3 int TASTER_VIER = 6; // Taste 4 void setup() { Serial.begin(9600); // INPUT_PULLUP -> Eingangspegel auf HIGH setzen pinMode(TASTER_EINS, INPUT_PULLUP); pinMode(TASTER_ZWEI, INPUT_PULLUP); pinMode(TASTER_DREI, INPUT_PULLUP); pinMode(TASTER_VIER, INPUT_PULLUP); } void loop() { if (digitalRead(TASTER_EINS) == LOW) { delay(100); Serial.println(“Taste 1 an Pin ” + String(TASTER_EINS)); } if (digitalRead(TASTER_ZWEI) == LOW) { delay(100); Serial.println(“Taste 2 an Pin ” + String(TASTER_ZWEI)); } if (digitalRead(TASTER_DREI) == LOW) { delay(100); Serial.println(“Taste 3 an Pin ” + String(TASTER_DREI)); } if (digitalRead(TASTER_VIER) == LOW) { delay(100); Serial.println(“Taste 4 an Pin ” + String(TASTER_VIER)); } } |
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