esphome:
  name: test

esp8266:
  board: esp01_1m

matrix_keypad:
  - id: keypad_a
    rows:
      - pin: 12
      - pin: 13
    columns:
      - pin: 14
      - pin: 15
    keys: "1234"
  - id: keypad_b
    rows:
      - pin: 4
      - pin: 5
    columns:
      - pin: 0
      - pin: 2
    keys: "1234"