Automatic Irrigation System using Soil Moisture Sensor
Indian Economy mainly depends on Agriculture(Primary sector). Irrigation being the occupation of most of Indian families they still rely on seasonal rains and under-ground water.As cultivation is the most tedious process which requires constant monitoring and maintenance particularly timely watering of plants.
Watering plants means providing sufficient amount of water but what is the sufficient amount ?, When to water? Till how much time water-motor should be on? these are the three issues which normal formal will not bother as they fix some schedule and accordingly they will follow. So he may not follow efficient water conservation techniques which may have direct impact on outcome.
This project can be used to address above mentioned issues. timely-sufficient watering of plants in an automated way. Consequence will be good yield with economy in terms of water and electricity .
Soil-Sensor can has Four terminals
Vcc- Connect it to 5V
Gnd- Connect it to 0V
Digital-Output - Connect to any GPIO Pin or
Analog -Output- Connect to any ADC channel
Here i used Analog Output which gives following readings (10-bit ADC)
1.When Not inserted in soil-1023
2.When inserted in dry soil 900<output<1023(drought)
3 When inserted in soil with adequate water 500<output<900(Normal)
4. When inserted in soil with excess water output<500(wet)
This is one of the most interesting project. We are modifying this water treatment Filters system to include an Individual pump for each plant with sensors. This way each plant will get the water that it needs. I want some of suggestions about this project, actually if I would add a solar panel to charge a battery that will operate the pump, Please tell me if you have any idea.
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Humidity Meter, Humidity Controller, Data Logger, Temperature Logger, pH Meter