Dodajem treće i četvrto predavanje.

trece_predavanje/rgb_led/rgb_led.ino

@@ -0,0 +1,54 @@
+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);
+}