function Decoder(bytes, port) {
  const decoded = [];
  if (port === 104) {
    // STATUS
    decoded.push({ variable: "darker", value: bytes[0] & 0x01 });
    decoded.push({ variable: "lighter", value: (bytes[0] >> 1) & 0x01 });
    decoded.push({ variable: "status_change", value: (bytes[0] >> 4) & 0x01 });
    decoded.push({ variable: "keep_alive", value: (bytes[0] >> 5) & 0x01 });
    // BATTERY
    decoded.push({ variable: "battery", value: (25 + (bytes.readUInt8(1) & 0x0f)) / 10, unit: "V" });
    // TEMPERATURE
    decoded.push({ variable: "temperature", value: (bytes.readUInt8(2) & 0x7f) - 32, unit: "°C" });
    // LUX
    decoded.push({ variable: "lux", value: bytes.readUIntLE(3, 3) / 100, unit: "lux" });
  }

  return decoded;
}

const data = payload.find((x) => x.variable === "payload" || x.variable === "payload_raw" || x.variable === "data");
const port = payload.find((x) => x.variable === "port" || x.variable === "fport");
if (data && port) {
  const serie = data.serie || new Date().getTime();
  const bytes = Buffer.from(data.value, "hex");
  payload = payload.concat(Decoder(bytes, Number(port.value))).map((x) => ({ ...x, serie }));
}