Faces 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)

Features

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

Include

1x M5Stack ENCODER Module

Specifications

Resources	Parameter
RGB LED	x12
Net weight	27g
Gross weight	47g
Product Size	58.254.228mm
Package Size	956525mm
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

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;
    }
}