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CONTENTS

Module ENCODER

SKU:A006

Description

ENCODER is compatible with FACE Kit. You can have it replace the key-card panel inside the FACE kit. It is designed for rotary encoder control, integrated Mega328 microprocessor inside and LEDs around the encoder.

The series communication protocol between M5 core and ENCODER is I2C (The default I2c address is: 0x5E)

Product Features

  • 12 RGB Led
  • I2C communication
  • Simple API for programming
  • Mega328 inside
  • Encoder detection

Include

  • 1x M5Stack ENCODER Module

Specification

Resources Parameter
RGB LED x12
Net weight 27g
Gross weight 47g
Product Size 58.2*54.2*28mm
Package Size 95*65*25mm
Material Plastic(PC)

EasyLoader

EasyLoader is a concise and fast program writer, which has a built-in case program related to the product. It can be burned to the main control by simple steps to perform a series of function verification.

Download Windows Version Easyloader Download MacOS Version Easyloader

Description:
Display encoder count and button status, left turn decrease right turn increase.

PinMap

Mega328 ISPDownload interface Pin foot definition

Learn

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Function

Control single RGB

/*
    Parameter:
        led_index: 0 ~ 11
        r, g, b: 0 ~ 254
*/
void Led(int led_index, int r, int g, int b){
    // I2C send data
    Wire.beginTransmission(Faces_Encoder_I2C_ADDR);
    Wire.write(led_index);
    Wire.write(r);
    Wire.write(g);
    Wire.write(b);
    Wire.endTransmission();
}

Read encoder increment

void get_encoder_increment(void){
    int temp_encoder_increment;

    // I2C read data
    Wire.requestFrom(Faces_Encoder_I2C_ADDR, 3);
    if(Wire.available()){
       temp_encoder_increment = Wire.read();// get increment
       button_state = Wire.read();// get button value
    }
    if(temp_encoder_increment > 127){//anti-clockwise
        direction = 1;// flag for encoder direction
        encoder_increment = 256 - temp_encoder_increment;
    }
    else{// clockwise
        direction = 0;
        encoder_increment = temp_encoder_increment;
    }
}

Example

Arduino IDE

If you want the complete code faces_encoder.ino, please click here

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