RGB LED
Create your own colorful light show using an RGB LED. By changing just three numbers, you can mix millions of different colors.
Instructions
This uses the standard setup instructions.
Challenges
⭐ Easy
Can you make the LED:
- 🔴 Red
- 🟢 Green
- 🔵 Blue
⭐⭐ Medium
Can you make:
- 🟣 Purple
- 🟡 Yellow
- 🟠 Orange
- 🩷 Pink
- 🩵 Cyan
- ⚪ White
⭐⭐⭐ Design Challenge
Create your own color!
Give it a creative name and write down the RGB values.
Examples:
- 🐉 Dragon Fire
- ❄️ Frozen Ice
- 🍭 Bubblegum
- 👽 Alien Goo
- 🌊 Deep Ocean
- 🍋 Lemon Blast
- 💜 Mystic Purple
- 🌸 Cherry Blossom
My Color Name: _____
Wiring
| RGB LED Connection | Arduino Pin |
|---|---|
| Red | 11 |
| Green | 10 |
| Blue | 9 |
| Ground — longest leg | GND |
Each red, green, and blue leg should use a resistor.
Setup
This uses the standard setup instructions.
Starter Code
// ==========================================
// PLAY AREA
// ==========================================
int red = 100;
int green = 0;
int blue = 100;
// ==========================================
// PINS
// ==========================================
int RED_PIN = 11;
int GREEN_PIN = 10;
int BLUE_PIN = 9;
void setup() {
pinMode(RED_PIN, OUTPUT);
pinMode(GREEN_PIN, OUTPUT);
pinMode(BLUE_PIN, OUTPUT);
analogWrite(RED_PIN, red);
analogWrite(GREEN_PIN, green);
analogWrite(BLUE_PIN, blue);
}
void loop() {
}