new example

.gitignore

@@ -38,5 +38,4 @@ notes.md
 /examples/RGB_LED
 /examples/ColorWheel
 
-/examples/RGB_LED_Example
 /examples/ColorWheelSpin

examples/RGB_LED_Example/RGB_LED_Example.ino

@@ -0,0 +1,66 @@
+/**
+ * RGB_LED_Example.ino
+ * 
+ * This example demonstrates how to control an RGB LED using the LCD_BacklightRGB library.
+ * It cycles through predefined colors and then smoothly transitions through the color wheel.
+ * 
+ * Connections:
+ * - Red Pin: PWM pin ~11
+ * - Green Pin: PWM pin ~10
+ * - Blue Pin: PWM pin ~9
+ */
+
+#include <LiquidCrystal.h>
+#include <LCD_BacklightRGB.h>
+
+//Set the RGB pins for the RGB LED. Use PWM pins denoted by a ~ symbol.
+const int redPin = 11, greenPin = 10, bluePin = 9;
+BacklightRGB led(redPin, greenPin, bluePin);
+//Indicate in the construtor if common cathode RGB LED (>= v1.1.9)
+//const bool isCommonAnode = false;
+//BacklightRGB led(redPin, greenPin, bluePin, isCommonAnode);
+
+// Color wheel utility
+BacklightCW cw;
+
+// Display a predefined color
+void showColor(const int color[3]);
+// Spin the color wheel
+void spinColorWheel();
+
+void setup() {
+  // Initialize the RGB LED
+  led.begin();
+  // Set brightness (0-255)
+  led.setBrightness(50);
+}
+
+void loop() {
+  // Cycle through predefined colors
+  showColor(BacklightColors::WHITE);
+  showColor(BacklightColors::HOTPINK);
+  showColor(BacklightColors::RED);
+  showColor(BacklightColors::ORANGE);
+  showColor(BacklightColors::YELLOW);
+  showColor(BacklightColors::LIME);
+  showColor(BacklightColors::GREEN);
+  showColor(BacklightColors::TEAL);
+  showColor(BacklightColors::CYAN);
+  showColor(BacklightColors::SKY);
+  showColor(BacklightColors::BLUE);
+  showColor(BacklightColors::PURPLE);
+  showColor(BacklightColors::MAGENTA);
+  showColor(BacklightColors::BLACK);
+  // Smoothly transition through the color wheel
+  spinColorWheel();
+}
+
+void showColor(const int color[3]) {
+  led.setRGB(color); delay(500);
+}
+
+void spinColorWheel() {
+  for (int i = 0; i < 255; i++) {
+    led.setRGB(cw.mapToColorWheel(i, 0, 255)); delay(15);
+  }
+}