Each channel in the module has three connections named NC, COM, and NO. The relay protects each circuit from the other.
There is no connection between the low voltage circuit operated by the Microcontroller and the high power circuit. The relay module is an electrically operated switch that allows you to turn ON or OFF a circuit using voltage and/or current much higher than a Microcontroller could handle. That is when the weather gets cooler, less water is needed whereas vice versa in the other case. The temperature and humidity sensor is necessary to reduce the watering frequency. It has a level detection module in which we can set a reference value.
A moisture sensor is used to sense the level of moisture content present in irrigation field. It is used to monitor soil moisture content to control irrigation in greenhouses. The soil moisture sensor is used to measure the volumetric water content of soil. The system can be interfaced via Bluetooth Module using MIT App.Ĭost of the Project: ₹1593/- List of Components Used In Smart Irrigation System Component Name Design for Aesthetics and Ergonomics is achieved in terms of remote access by farmers and seasonal and environmental based access to irrigation.ĭesign for cost and Environment is addressed by correct usage of water, that has now become a prized Natural Resource.
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