HEX NeoPixel LED Board

Regular price $3.95
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Description

HEX is a hexagona Neopixel panel. Total 37 Neopixels. With a input port and a output port, you can have mutiple of them in series connection.

This how LEDs layout in the panel. Pay attention to the sequence in your code.

Product Features

  • Total LED: 37
  • Software development platform: Arduino,UIFlow(Blockly & python)
  • Two Lego-compatible holes

Kit includes

  • 1x HEX Unit
  • 1x Grove Cable
Documents

Neopixel Library on Arduino

Learn

Example

1. Arduino IDE

FastLED library on Arduino presents excellent and colorful lighting effects. Before compile, it is require to install the FastLED library and connect HEX to GROVE A.

To get the complete code, please click here

/*
    Install FastLED library first.(HEX is connected to GROVE A)
 */
#include <M5Stack.h>
#include "FastLED.h"

#define Neopixel_PIN    21
#define NUM_LEDS    37

CRGB leds[NUM_LEDS];
uint8_t gHue = 0;

void setup() {
  Serial.begin(115200);
  M5.begin();
  M5.Lcd.clear(BLACK);
  M5.Lcd.setTextColor(YELLOW); M5.Lcd.setTextSize(2); M5.Lcd.setCursor(40, 0);
  M5.Lcd.println("HEX Example");
  M5.Lcd.setTextColor(WHITE);
  M5.Lcd.setCursor(0, 25);
  M5.Lcd.println("Display rainbow effect");

  // Neopixel initialization
  FastLED.addLeds<WS2811,Neopixel_PIN,GRB>/
                        (leds, NUM_LEDS).setCorrection(TypicalLEDStrip);
  FastLED.setBrightness(10);
}

void loop(){
    fill_rainbow( leds, NUM_LEDS, gHue, 7);
    FastLED.show();// must be executed for neopixel becoming effective
    EVERY_N_MILLISECONDS( 20 ) { gHue++; }
}

UIFlow

To get the complete code, please click here.

 

More information

PinMap

HEX connected to GROVE A

M5Core(GROVE A) GPIO22 GPIO21 5V GND
HEX Unit / HEX Pin 5V GND

HEX connected to GROVE B

M5Core(GROVE B) GPIO36 GPIO26 5V GND
HEX Unit / HEX Pin 5V GND

HEX connected to GROVE C

M5Core(GROVE C) GPIO16 GPIO17 5V GND
HEX Unit / HEX Pin 5V GND
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