Question: 5 different plants are to be tested. Each one will have a moisture sensor. Temperature and Humidity sensors are needed also to check the air
5 different plants are to be tested. Each one will have a moisture sensor. Temperature and Humidity sensors are needed also to check the air condition, and rain sensors to check the condition of the surface of the soil.
Moisture and rain sensors are to be used to an get accurate data. Moisture sensors are to be positioned under the soil, while the rain sensor is to be placed on the surface of the soil.
Write an Arduino program based on the above illustration (refer to the system design below).

Power Supply to MCU Power Supply to Valve Water Inlet Temperature and Humidity Sensor Water Pressure Regulator Soil Moisture Sensor 1 Relay Module Soil Moisture Sensor 2 Soil Moisture Sensor 3 NodeMCU ESP32 Solenoid Valve Soil Moisture Sensor 4 Water Output Soil Moisture Sensor 5 (Drip) Rain Sensor
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