套件：

前置套件：https://github.com/adamoutler/HassOSConfigurator ※需完整重
啟二次
HA 套件連結：https://github.com/uvjim/rpi_waveshare_ups
HACS套件：Mushroom、mini-graph-card、template-entity-row

自動化

alias: "UPS 安全關機與徹底斷電"
trigger:
  - platform: numeric_state
    entity_id: sensor.waveshare_ups_capacity
    below: 20
condition:
  # 判定只要不是 "on" (充電中) 即執行，避免 unavailable 等異常干擾
  - condition: not
    conditions:
      - condition: state
        entity_id: binary_sensor.waveshare_ups_online
        state: "on"
action:
  - service: notify.persistent_notification
    data:
      title: "電力預警"
      message: "電量低於 20% 且未充電，系統將於 30 秒後關閉硬體電源。"
  - service: shell_command.ups_cut_off_power # 送出指令讓硬體準備斷電
  - delay: "00:00:10"
  - service: hassio.host_shutdown

configuration.yaml

shell_command:
  ups_cut_off_power: "python3 -c 'import os, fcntl; fd=os.open(\"/dev/i2c-1\", os.O_RDWR); fcntl.ioctl(fd, 0x0703, 0x42); os.write(fd, b\"\\x01\\x55\"); os.close(fd)'"