Smart Green House Monitoring based on IOT

Smart Green House Monitoring based on IOT

Sahana B

Department of Electronics and Communication Engineering RV College of Engineering

Bengaluru, Karnataka

D.K.Sravani

Department of Electronics and Communication Engineering RV College of Engineering

Bengaluru, Karnataka

Dhanyashree R prasad

Department of Electronics and Communication Engineering RV College of Engineering

Bengaluru, Karnataka

Abstract – Green house is used to protect plants from extreme environmental conditions and also growing plants in controlled environment. Greenhouse monitors the extreme environmental conditions in favor of plant growth. Greenhouse can be made smarter by using different techniques. This project presents wireless IoT (Internet of things) based smart greenhouse. A smart greenhouse based on IoT (Internet of Things) is implemented using Cisco packet tracer and the output is verified with the expected results.

Keywords – Cisco packet tracer, Greenhouse, Global warming, IOT, Sensors, Smart greenhouse.

1. INTRODUCTION

   Internet of Things (IoT) is playing a major role in todays life. IoT is basically connecting surrounding environment to the network. The idea of connecting devices to the network and monitoring as well as controlling them using smart device from anywhere in this world is IoT. Hence IoT technology enables monitoring and controlling of any devices which are connected using internet by being any corner of the world. IoT has made our lives so easy. There are many problems faced in conventional agriculture like depending on the environment conditions and many more. In conventional agriculture farmer has to wait for desired conditions to cultivate. To overcome this disadvantage, greenhouse technique is used. Greenhouse is used to grow plants in a controlled environment. Method of growing plants under controlled environment is followed by our ancestors as well. Greenhouse has to be monitored manually whereas by making it a smart greenhouse that is by using IoT technique it can be monitored from faraway places also. Different sensors as per the requirement are used to monitor greenhouse and perform the actions according to the parameters sensed. The conditions are predefined by the maintainer so that the growth of plant is not affected by environmental conditions. This paper mainly focuses on designing smart greenhouse and implemented using Cisco packet tracer. The output is verified with the expected results [7, 12].

2. IMPLEMENTATION

   In this project, we are implementing the greenhouse setup using cisco packet tracer. A network is formed by connecting the sensors and the information about the environmental parameters is stored in cloud.

   Temperature sensor to sense the environment temperature, humidity sensor to check the humidity, soil moisture sensor to detect the amount of water present in soil and CO2 detector to check the concentration of CO2 in air. Solar cell is used as the energy generator in the designed system and a smart door system is implemented to control the access [1].

   Fig1 shows the block diagram of Smart greenhouse based on IoT in Cisco packet tracer. The block diagram contains temperature monitoring system, humidity monitoring system, fire detection system, co2 detection system, smart lighting system, moisture monitoring system, solar energy generator system, smart door system [9]. All the devices are connected using internet. A smart phone is used to monitor the devices in the greenhouse.

   Wireless devices are used to implement the designed system [4].

   Fig2 shows the monitoring of devices in greenhouse using smart phone. The values sensed by sensors and the status of actuators can be monitored in smart phone.

   Fig1: Block Diagram

   Fig2: smartphone monitoring

   1. TEMPERATURE MONITORING SYSTEM

      Temperature monitoring system contains temperature sensors, thermostats, heating elements, cooling elements.

      Temperature sensor keeps check on the temperature of the environment and displays the value on connected LED or monitor. The temperature sensed by the sensor is converted into appropriate form and is given as input to the Thermostat [1]. Thermostat is used to control temperature in a greenhouse based on the temperature sensed by the temperature sensor. Heater is activated when the temperature falls below the preset value and cooler is activated when the temperature is greater than the preset value. The thermostat is in off state when temperature inside the greenhouse is in the acceptable range for the positive growth of plants [10].

   2. HUMIDITY MONITORING SYSTEM

      Humidity monitoring system contains humidity sensors, humidifiers.

      Humidity sensor measure the amount of water (humidity) content present in the air. Humidifier is used to maintain the moisture content in the air. Humidifier is activated when the humidity percentage in the greenhouse falls below the desired value.

   3. FIRE SAFETY SYSTEM

      Fire detection system contains fire detector, fire sprinkler, siren.

      A fire detector is a device that senses the presence of fire by the presence of smoke which is caused by fire. As soon as the fire is detected message is delivered to the security panel and fire alarm is activated. When there is any fire emergency, the sprinkler will be activated by itself as soon as fire detector detects fire.

      To represent fire, thing is used which is available in Cisco packet tracer and it is programmed.

   4. CO2 DETECTING SYSTEM

      CO2 detecting system contains CO2 detector, exhaust fan.

      Carbon dioxide detector is a device which senses the concentration of carbon dioxide in the atmosphere. There

      are basically two types of CO2 detectors, IR and chemical sensors. CO2 plays an important role in growth of plants. It is necessary to maintain the CO2 content in the greenhouse. Hence C02 sensor is used to monitor the CO2 levels. when CO2 detected in greenhouse is high with respect to desired value exhaust fan is operated at high speed and when CO2 detected with respect to acceptable value is moderate exhaust fan is operated at low speed and when CO2 is within the acceptable range exhaust fan is turned off [2].

      Old car which generates lot of CO2, CO and contributes to pollution is used to produce CO2 to check for proper working of the designed system.

   5. SMART LIGHT SYSTEM

      Smart light system contains smart light.

      Smart lighting system is implemented by using smart light [7]. Based on the sunlight detected by the sensor inbuilt in the smart light it will be activated. when the sunlight is above the desired level smart light is off and if the sunlight is below the desired level smart light will be turned on. This project uses smart lighting system to maintain the lighting arrangements.

   6. SOIL MOISTURE MONITORING SYSTEM

      Soil moisture monitoring system contains water level monitor, lawn sprinkler.

      Water level monitor measures the water content present in soil which is the indication for moisture content in soil. Particular amount of moisture has to be maintained in soil for healthy plant growth. When the moisture content falls below the preset value water sprinkler is activated. In this paper water level monitor is used to measure the moisture in soil and when the moisture level falls below certain value lawn sprinkler is turned on so that the moisture content in soil is well maintained.

   7. SOLAR CELL

      Solar cell contains solar panel, power meter, battery

      A solar panel converts sunlight into electricity by using the appropriate technique. The pwer produced by the solar panel can be known using power meter (which measures power across the device to which it is connected). The electricity generated by solar panel is converted and stored in battery which is connected to all the devices. This project uses solar cell to supply energy for all the devices which is also eco-friendly [3].

   8. SMART DOOR SYSTEM

   Smart door system contains smart door, RFID reader, RFID card.

   RFID (Radio frequency identification) reader is used to read the RFID card given to the maintainers. The status of RFID reader is valid only when the card Id which is read by the reader matches with any one of the card Ids given to it [10]. The status of RFID reader is invalid when the card Id read by reader doesnt match with any of the card Ids which were given to reader as valid card Ids. The status of reader is waiting when it does not sense any RFID card. Smart door opens only when

   RFID reader status is valid. Maintainers of the greenhouse are provided with tags (RFID cards) which are used to access the entry into green house.

3. FLOW CHART

   Fig3 shows the general flow chart of the methodology used in this project.

   The same procedure is used for all the systems used in this design.

   First the sensors sense their respective parameters and the values sensed are converted into the appropriate format which are then fed to the actuators. The actuators are activated based on the input given following predefined conditions [6].

   pH (potential of hydrogen) of soil is also to be monitored as it influences the availability of nutrients

4. SOFTWARE

   This paper presents the implementation of smart greenhouse using cisco packet tracer. Cisco packet tracer is a software tool developed by Cisco. Different network topologies starting from simple to complex can be created and solutions to smart home, city, industry etc., can be designed.

5. NETWORK

   Fig4 shows the network used for this project representing smart greenhouse.

   Fig3: flow chart

   Fig4: Network

6. CONCLUSION

Greenhouse is used a lot now a day to increase the productivity and grow plants in controlled environment. Making it smarter ease the work of maintainer as there is no need to monitor the environmental conditions manually. Sensors are used to sense and actuators are activated according to the predefined conditions. This paper shows the basic idea of implementing the greenhouse to grow plants. This paper explains the basic sensors and devices required to maintain the green house conditions with electricity generation using solar energy, smart lighting and other monitoring systems.

ACKNOWLEDGMENT

We wish to give our deep sense of gratitude and heartful thanks to our project mentor Ms. Sahaba B of Electronics and Communication Engineering, RVCE, Bangalore for being the constant source of encouragement from selection of topic to implementation and further.

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