Dodajem treće i četvrto predavanje.

trece_predavanje/rgb_led/aleksejevo_resenje.ino

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+int led_r = 9;
+int led_g = 10;
+int led_b = 11;
+
+int button = 7;
+int ptm = A0;
+
+int color;
+int value;
+
+bool pressed;
+
+void setup() {
+pinMode(led_r, OUTPUT);
+pinMode(led_g, OUTPUT);
+pinMode(led_b, OUTPUT);
+
+pinMode(button, INPUT);
+pinMode(ptm, INPUT);
+
+analogWrite(led_r, 0);
+analogWrite(led_g, 0);
+analogWrite(led_b, 0);
+
+color = 0;
+pressed = false;
+
+Serial.begin(9600);
+}
+
+void loop() {
+if (digitalRead(button) == HIGH){
+if (pressed == false){
+color = (color + 1) % 3;
+pressed = true;
+}
+}
+if (digitalRead(button) == LOW){
+pressed = false;
+}
+value = analogRead(ptm);
+if (value < 20) value = 0;
+value = map(value, 0, 1023, 0, 255);
+delay(1);
+
+if(color == 0){
+analogWrite(led_r, value);
+}
+if(color == 1){
+analogWrite(led_g, value);
+}
+if(color == 2){
+analogWrite(led_b, value);
+}
+Serial.println(value);
+delay(100);
+}

trece_predavanje/rgb_led/rgb_led.ino

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+const int led_r = 9;
+const int led_g = 10;
+const int led_b = 11;
+const int touch_senzor = 12;
+const int taster = 13;
+const int pot = A0;
+
+float pot_value;
+
+/*
+MOJA LED JE COMMON ANODE, TAKO DA SU VREDNOSTI ZA UPIS INVERTOVANE
+AKO TREBA DA SVETLI CRVENA NA TOM PINU ĆE BITI NULA, A NA OSTALA DVA
+ĆE BITI 255 (5 V)
+*/
+void setup()
+{
+	pinMode(led_r, OUTPUT);
+	pinMode(led_g, OUTPUT);
+	pinMode(led_b, OUTPUT);
+	pinMode(touch_senzor, INPUT);
+	pinMode(taster, INPUT);
+
+	analogWrite(led_r, 255);
+	analogWrite(led_g, 255);
+	analogWrite(led_b, 255);
+}
+
+void loop()
+{
+	if (digitalRead(touch_senzor) == HIGH){
+		while (digitalRead(taster) != HIGH){
+			// Ljubičasta
+			pot_value = analogRead(pot);
+			setColor(map(pot_value, 0, 1023, 255, 0), 255, map(pot_value, 0, 1023, 255, 0));
+		}
+	}
+	if (digitalRead(taster) == HIGH){
+		while (digitalRead(touch_senzor) != HIGH){
+			// Žuta
+			pot_value = analogRead(pot);
+			setColor(255 - 255*pot_value/1023, 255 - 255*pot_value/1023, 255);
+			//setColor(map(pot_value, 0, 1023, 255, 0), map(pot_value, 0, 1023, 255, 0), 255);
+		}
+	}
+	delay(1);
+}
+
+
+void setColor(int red_value, int green_value, int blue_value)
+{
+	analogWrite(led_r, red_value);
+	analogWrite(led_g, green_value);
+	analogWrite(led_b, blue_value);
+}

trece_predavanje/rgb_led/sketch.yaml

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+default_port: /dev/ttyUSB0
+default_fqbn: arduino:avr:uno