{
  services.thinkfan = {
    enable = true;
    # https://wiki.archlinux.org/title/Lenovo_ThinkPad_P15_Gen_1
    sensors = [
      # # NVIDIA GPU
      # {
      #   query = "01:00.0";
      #   type = "nvml";
      # }
      # acpitz
      # crit = 128°C
      {
        query = "/sys/class/hwmon";
        type = "hwmon";
        name = "acpitz";
        indices = [1];
        correction = [0];
      }
      # pch_cometlake
      {
        query = "/sys/devices/virtual/thermal";
        type = "hwmon";
        name = "pch_cometlake";
        indices = [1];
        correction = [0];
      }
      # # nvme
      # # high = 85°C
      # {
      #   query = "/sys/devices/pci0000:00/0000:00:1d.0/0000:55:00.0/nvme/nvme1";
      #   type = "hwmon";
      #   name = "nvme";
      #   indices = [2 3];
      #   correction = [0 0];
      # }
      # # nvme
      # # high = 85°C
      # {
      #   query = "/sys/devices/pci0000:00/0000:00:1b.0/0000:02:00.0/nvme/nvme0";
      #   type = "hwmon";
      #   name = "nvme";
      #   indices = [2 3];
      #   correction = [0 0];
      # }
      # coretemp
      # high = 100°C, crit = 100°C.
      {
        query = "/sys/devices/platform/coretemp.0/hwmon";
        type = "hwmon";
        name = "coretemp";
        indices = [1 2 3 4 5 6 7 8 9];
        correction = [0 0 0 0 0 0 0 0 0];
      }
      # thinkpad
      {
        query = "/sys/devices/platform/thinkpad_hwmon/hwmon";
        type = "hwmon";
        indices = [1 2 3 4 5 6];
        correction = [0 0 0 0 0 0];
      }
      # thinkpad
      {
        query = "/sys/devices/platform/thinkpad_hwmon/hwmon";
        type = "hwmon";
        indices = [7];
        correction = [0];
      }
      # thinkpad
      {
        query = "/sys/devices/platform/thinkpad_hwmon/hwmon";
        type = "hwmon";
        optional = true;
        indices = [8];
        correction = [0];
      }
      # iwlwifi_1
      {
        query = "/sys/class/hwmon";
        type = "hwmon";
        name = "iwlwifi_1";
        optional = true;
        indices = [1];
        correction = [0];
      }
    ];
    fans = [
      {
        query = "/proc/acpi/ibm/fan";
        type = "tpacpi";
      }
    ];
    levels = [
      [0 0 60]
      [2 58 67]
      [3 63 72]
      [5 68 77]
      [6 73 82]
      [7 78 83]
      ["level disengaged" 80 255]
    ];
  };
}