Table 11.

Sensor output indicators for various circumstances.

S. No	Sensor	Indicator
1	DHT11 - Temp & Hum Sensor	The soil will dry out at high temperatures.
2	BMP280 - Pressure Sensor	A higher value indicates the pressure of the atmosphere.
3	MQ2 - Gas Sensor	A higher value implies that there is smoking in the surrounding territory.
4	MQ135 - Air Quality Sensor	Higher readings represent poor conditions for the air.
5	Raindrop Sensor	A higher number signifies that it is rainy.
6	Rain Gauge (Flood Alert Sensor)	The sensor's value represents the amount of rain (water level). Give the flood alerts also.
7	pH Sensor (Multipurpose)	Determines the alkali content of the water.
		Measure the moisture content of the atmosphere.
		Identify the light intensity level.
8	SEN0189 – Turbidity Sensor	A higher value indicates more pollution and turbidity in the water.
11	Wind Speed	Determine the most rapid airflow velocity.
12	Wind Direction	Give the direction of the wind.