Project8.Double Color Led

Description

The KY-011 Two Color LED module emits red and green light. You can adjust the intensity of each color using PWM. Compatible with popular electronics platforms like Arduino, Raspberry Pi, ESP32 and more. This module is similar to the KY-029.

Specification

Operating Voltage 2.0v ~ 2.5v
Working Current 10mA
Diameter 3mm
Package Type Diffusion
Color Red + Green
Beam Angle 150
Wavelength 571nm + 644nm
Luminosity Intensity (MCD) 20-40; 40-80

Connect

_images/8_bb.png

Code

int greenpin = 11; // pin for green signal
int redpin = 10; // pin for red signal
int val;

void setup() {
    pinMode(redpin, OUTPUT);
    pinMode(greenpin, OUTPUT);
}

void loop() {
    for(val = 255; val > 0; val--) {
        analogWrite(redpin, val); //dim red
        analogWrite(greenpin, 255 - val); // brighten green
        delay(15);
    }
    for(val = 0; val < 255; val++) {
        analogWrite(redpin, val); //brighten red
        analogWrite(greenpin, 255 - val); //dim green
        delay(15);
    }
}

Phenomenon