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--- projets:fuz:webduino [2019-12-03 21:20] – [Wiring and flashing] Lomanic
+++ projets:fuz:webduino [2019-12-03 21:28] – [Components] document RGB LED Lomanic
@@ Line 55: / Line 55: @@
 I got blink sketch using LED_BUILTIN (2)
+==== RGB LED ====
+<code c++>
+/***
+   RGB sketch for webduino smart
+   Board:   ESP8266
+*/
+#include <Arduino.h>
+// according to https://webduino.io/en/tutorials/smart-01-information.html#on-board-components-and-pins
+#define GPIO_GREEN_RGB 12
+#define GPIO_BLUE_RGB  13
+#define GPIO_RED_RGB 15
+#define GPIO_MICRO_SWITCH_BUTTON 4
+// https://create.arduino.cc/projecthub/muhammad-aqib/arduino-rgb-led-tutorial-fc003e
+void RGB_color(int red_light_value, int green_light_value, int blue_light_value) {
+  analogWrite(GPIO_RED_RGB, red_light_value);
+  analogWrite(GPIO_GREEN_RGB, green_light_value);
+  analogWrite(GPIO_BLUE_RGB, blue_light_value);
+}
+void showColor(int color) {
+  Serial.printf("Color %d\n", color);
+  switch (color) {
+    case 0:
+      RGB_color(255, 0, 0); // Red
+      break;
+    case 1:
+      RGB_color(0, 255, 0); // Green
+      break;
+    case 2:
+      RGB_color(255, 255, 125); // Raspberry
+      break;
+    case 3: // CYAN
+      RGB_color(0, 255, 255); // Cyan
+      break;
+    case 4: // BLUE?
+      RGB_color(255, 0, 255); // Magenta
+      break;
+    case 5: // GREEN
+      RGB_color(255, 255, 0); // Yellow
+      break;
+    case 6:
+      RGB_color(255, 255, 255); // White
+    default:
+      RGB_color(0, 0, 0); // Disabled
+  }
+}
+void setup() {
+  Serial.begin(115200);
+  delay(10);
+  Serial.println();
+  Serial.println(F("Webduino smart RGB sketch: push the micro switch button to loop over colors"));
+  pinMode(GPIO_GREEN_RGB, OUTPUT);
+  pinMode(GPIO_BLUE_RGB, OUTPUT);
+  pinMode(GPIO_RED_RGB, OUTPUT);
+}
+int color = 0;
+void loop() {
+  if (digitalRead(GPIO_MICRO_SWITCH_BUTTON) == LOW) {
+    Serial.println(F("Button pressed"));
+    color = ((color + 1) % 7);
+    showColor(color);
+    delay(200);
+  }
+}
+</code>
 ===== OTA =====
 See https://github.com/esp8266/Arduino/tree/master/libraries/ArduinoOTA/examples