M5Stack M5StickC PLUS2

Product Images

GPIO Pinout

Pin	Function
GPIO37	Button A
GPIO39	Button B
GPIO35	Button C
GPIO19	Internal LED/IR
GPIO13	SPI CLK
GPIO15	SPI MOSI
GPIO21	I2C SDA
GPIO22	I2C SCL
GPIO05	Display CS
GPIO14	Display DC
GPIO12	Display Reset
GPIO00	I2S CLK
GPIO26	I2S LRCLK
GPIO34	Microphone Data
GPIO38	Battery Level
GPIO02	Buzzer

External Component

Unlike the M5StickC Plus, the Plus2 has no power management chip. Therefore, AXP192 support is not required; TFT backlight
and battery level are accessed through GPIO pins -- see below for details.

Example Configuration

substitutions:
  devicename: m5stickc-plus2
  upper_devicename: M5StickC PLUS2

esphome:
  name: $devicename
  platformio_options:
    upload_speed: 115200

esp32:
  board: m5stick-c

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password

  ap:
    ssid: $devicename Fallback Hotspot
    password: !secret wifi_password

captive_portal:

logger:

api:

ota:
  platform: esphome

# Battery voltage measured through ADC1_CH2. PLUS2 has a voltage divider,
# so reading needs to be multiplied by 2
sensor:
  - platform: adc
    pin: GPIO38
    attenuation: 12db
    update_interval: 60s
    name: "Battery Voltage"
    filters:
      - multiply: 2.0

  # Built-in 6-axis intertial measurement unit (IMU) that also includes a temperature sensor
  - platform: mpu6886
    i2c_id: bus_a
    address: 0x68
    update_interval: 10s
    accel_x:
      name: "MPU6886 Accel X"
    accel_y:
      name: "MPU6886 Accel Y"
    accel_z:
      name: "MPU6886 Accel z"
    gyro_x:
      name: "MPU6886 Gyro X"
    gyro_y:
      name: "MPU6886 Gyro Y"
    gyro_z:
      name: "MPU6886 Gyro z"
    temperature:
      name: "MPU6886 Temperature"

binary_sensor:
  # Turn on display backlight while Button A is pressed
  - platform: gpio
    pin:
      number: GPIO37
      inverted: false
    name: ${upper_devicename} Button A
    on_press:
      then:
        - light.turn_on: display_bl
    on_release:
      then:
        - light.turn_off: display_bl

  # Play 1000Hz tone through buzzer while Button B is pressed
  - platform: gpio
    pin:
      number: GPIO39
      inverted: true
    name: ${upper_devicename} Button B
    on_press:
      then:
        - output.turn_on: buzzer
        - output.ledc.set_frequency:
            id: buzzer
            frequency: "1000Hz"
        - output.set_level:
            id: buzzer
            level: "50%"

    on_release:
      then:
        - output.turn_off: buzzer

light:
  - platform: monochromatic
    output: builtin_led
    name: ${upper_devicename} Led
    id: led1

  - platform: monochromatic
    output: backlight
    name: ${upper_devicename} Backlight
    id: display_bl

output:
  - platform: ledc
    pin: 10
    inverted: true
    id: builtin_led

  - platform: ledc
    pin: 2
    inverted: true
    id: buzzer

  - platform: ledc
    pin: 27
    inverted: true
    id: backlight

spi:
  clk_pin: GPIO13
  mosi_pin: GPIO15

i2c:
  - id: bus_a
    sda: GPIO21
    scl: GPIO22
    scan: True

font:
  - file: "gfonts://Roboto"
    id: roboto
    size: 18

color:
  - id: my_white
    red: 100%
    green: 100%
    blue: 100%

# 1.14 inch, 135*240 Colorful TFT LCD, ST7789v2
display:
  - platform: st7789v
    model: TTGO TDisplay 135x240
    cs_pin: GPIO5
    dc_pin: GPIO14
    reset_pin: GPIO12
    rotation: 270
    lambda: |-
      it.print(80, 0, id(roboto), id(my_white), TextAlign::TOP_CENTER, "M5Stick Test");

# note: Audio hasn't been tested
i2s_audio:
  id: bus_i2s
  i2s_lrclk_pin: G26
  i2s_bclk_pin: G0

microphone:
  - platform: i2s_audio
    i2s_din_pin: GPIO34
    i2s_audio_id: bus_i2s
    adc_type: external
    pdm: true
    id: mic