Make: Projects

Use a Common Anode RGB LED

This is a quick tutorial on how to fade between colors with an Arduino and Common Anode RGB LED.

Use a Common Anode RGB LED

How to fade between colors with the Common Anode RGB LED, included in Maker Shed’s Ultimate Arduino Microcontroller Pack.

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Steps

Step #1: Plug in the RGB LED

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Use a Common Anode RGB LEDUse a Common Anode RGB LEDUse a Common Anode RGB LEDUse a Common Anode RGB LED
  • Grab all the parts, and begin by plugging the Common Anode RGB LED into your breadboard.
  • Orient it in the breadboard with the red leg on the left, and power leg second from the left.
  • That's power (long) leg to F42 on the breadboard, with the red leg right next to it in F43.

Step #2: Begin the wiring

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Use a Common Anode RGB LEDUse a Common Anode RGB LEDUse a Common Anode RGB LED
  • Now wire up the positive (longest) lead of the LED to the 5V header on the Arduino.
  • You can use a jumper from J42 to the Arduino.
  • Connect the three resistors, one from each of the three other LED pins to another spot on the transparent breadboard.
  • Place one 330 Ω resistor in G43 and G49.
  • Place another 330 Ω resistor in H41 and H35.
  • Place the last 330 Ω resistor in G40 and G34.

Step #3: Connect the RGB pins to the Arduino

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Use a Common Anode RGB LED
  • Next, connect the three pins of the LED to the Arduino.
  • Red goes to PWM Pin 6, from breadboard pin J49.
  • Green goes to PWM Pin 5, from breadboard pin J35.
  • Blue goes to PWM Pin 3, from breadboard pin J34.
  • Now you can grab the code from GitHub and upload it to your Arduino. Have fun!
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