I tried to use ATOM Matrix in Ephome,here is a template that i hoping to be helpful to you.

我尝试在esphome中使用它，可以驱动大部分组件，并接入homeassistant。希望对你有所帮助。

分别使用了角速度仪、线速度仪（mpu6886），灯板，按钮。均可以在homeassistant中进行操作。

esphome:
  name: gradienter
  friendly_name: gradienter

esp32:
  board: esp32dev
  framework:
    type: arduino

# Enable logging
logger:

# Enable Home Assistant API
api:
  encryption:
    key: ""
            
ota:
  password: "homeassistant"

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

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Gradienter"
    password: "homeassistant"

captive_portal:
    
i2c:
  sda: 25
  scl: 21
  scan: true
  id: bus_a

sensor:
  - platform: mpu6886
    i2c_id: bus_a
    id: gradienter_info
    address: 0x68
    update_interval: 1s
    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:
  - platform: gpio
    pin: 39
    name: user_button



light:
  - platform: esp32_rmt_led_strip
    rgb_order: GRB
    pin: 27
    num_leds: 25
    rmt_channel: 0
    chipset: ws2812
    name: "My Light"
    effects:
      # Customize parameters
      - random:
          name: "My Slow Random Effect"
          transition_length: 30s
          update_interval: 30s
      - random:
          name: "My Fast Random Effect"
          transition_length: 4s
          update_interval: 5s
      - pulse:
          name: "Fast Pulse"
          transition_length: 0.5s
          update_interval: 0.5s
          min_brightness: 0%
          max_brightness: 100%
      - pulse:
          name: "Slow Pulse"
          # transition_length: 1s      # defaults to 1s
          update_interval: 2s
      - random:
          name: Random Effect With Custom Values
          transition_length: 5s
          update_interval: 7s
      - strobe:
          name: Strobe Effect With Custom Values
          colors:
            - state: true
              brightness: 100%
              red: 100%
              green: 90%
              blue: 0%
              duration: 500ms
            - state: false
              duration: 250ms
            - state: true
              brightness: 100%
              red: 0%
              green: 100%
              blue: 0%
              duration: 500ms
      - flicker:
          name: Flicker Effect With Custom Values
          alpha: 95%
          intensity: 1.5%
      - addressable_rainbow:
          name: Rainbow Effect With Custom Values
          speed: 10
          width: 50
      - addressable_color_wipe:
          # name: Color Wipe Effect With Custom Values
          # colors:
          #   - red: 100%
          #     green: 100%
          #     blue: 100%
          #     num_leds: 1
          #   - red: 0%
          #     green: 0%
          #     blue: 0%
          #     num_leds: 1
          # add_led_interval: 100ms
          # reverse: false
      - addressable_scan:
          name: Scan Effect With Custom Values
          move_interval: 100ms
          scan_width: 1
      - addressable_twinkle:
          name: Twinkle Effect With Custom Values
          twinkle_probability: 5%
          progress_interval: 4ms
      - addressable_random_twinkle:
          name: Random Twinkle Effect With Custom Values
          twinkle_probability: 5%
          progress_interval: 32ms
      - addressable_fireworks:
          name: Fireworks Effect With Custom Values
          update_interval: 32ms
          spark_probability: 10%
          use_random_color: false
          fade_out_rate: 120


# remote_transmitter:
#   pin: GPIO12
#   carrier_duty_percent: 50%  #don't work,don;t use it.

注意：红外未能成功操作，会出现以下错误，如果知道如何处理还请指导：

[05:53:02][C][mpu6886:103]:     Accuracy Decimals: 1
[05:53:02][C][remote_transmitter:015]: Remote Transmitter...
[05:53:02][C][remote_transmitter:016]:   Channel: 0
[05:53:02][C][remote_transmitter:017]:   RMT memory blocks: 1
[05:53:02][C][remote_transmitter:018]:   Clock divider: 80
[05:53:02][C][remote_transmitter:019]:   Pin: GPIO12
[05:53:02][C][remote_transmitter:022]:     Carrier Duty: 50%
[05:53:02][E][remote_transmitter:026]: Configuring RMT driver failed: ESP_ERR_INVALID_STATE
[05:53:02][C][captive_portal:088]: Captive Portal: