Projects from Make: Magazine
Arduino + 4 pin 5mm Full-Color LED
Play around with a Full-Color 5mm LED with four pins (3 cathodes which are RGB, and 1 anode) and an Arduino.
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Steps
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Step #1: Schematic
- This circuit uses an Arduino UNO but it still works on an Arduino MEGA 2560.
- In this project we only use one 5mm LED, but since the LED has four pins, I used three LED symbols in place of the four-pin LED. The three cathodes of the LEDs in the schematic are the three cathodes on the Full-Color 5mm LED. The three anodes of the LEDs are the one anode on the Full-Color 5mm LED.