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Description
RGB is LED Unit include 3 individual LEDs. It is also one of the Unit from M5GO Kit. Each one can display anycolor based on RGB value. One feature of this Unit is extension, which means you can have mutiple of them wired together.
This is a very useful piece on STEM class, students can program it to realize some of cool applications, for example a traffic light.
Product Features
- Program Platform: Arduino, UIFlow(Blockly, Python)
- Two Lego-compatible holes
Kit includes
- 1x RGB Unit
- 1x Grove Cable
Learn
Example
1. Arduino IDE
The code below is incomplete. To get complete code, please click here.
/*
Install the AdaFruit NeoPixel library first
*/
#include <Adafruit_NeoPixel.h>
#define RGB_PIN 26
#define NUMPIXELS 3
// new a object
Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB+NEO_KHZ800);
int delayval = 150;// delay for half a second
// initialization
pixels.begin(); // This initializes the NeoPixel library.
// display rgb
pixels.setPixelColor(0, pixels.Color(100,0,0));//parameter = (rgb index, color)
pixels.setPixelColor(1, pixels.Color(0,100,0));
pixels.setPixelColor(2, pixels.Color(0,0,100));
pixels.show(); // This sends the updated pixel color to the hardware.
2. UIFlow
To get complete code, please click here.
More information
PinMap
| M5Core(GROVE B) | GPIO36 | GPIO26 | 5V | GND |
| RGB Unit | / | Signal Pin | 5V | GND |
