# HELP device_id Unique identifier of the monitored device
# TYPE device_id gauge
device_id {1}

# HELP device_status Operational status (0=offline, 1=normal, 2=warning, 3=fault)
# TYPE device_status gauge
device_status {2}

# HELP realtime_value Real-time operational value (unit: custom)
# TYPE realtime_value gauge
realtime_value {3}

# HELP environment_value Environmental parameter value
# TYPE environment_value gauge
environment_value {4}

# HELP mcu_temperature MCU temperature in Celsius
# TYPE mcu_temperature gauge
mcu_temperature {5}

# HELP sensor_temperature Sensor temperature in Celsius
# TYPE sensor_temperature gauge
sensor_temperature {6}

# HELP sensor_humidity Sensor humidity in percentage
# TYPE sensor_humidity gauge
sensor_humidity {7}

# HELP adc_raw_value Raw ADC reading value
# TYPE adc_raw_value gauge
adc_raw_value {8}