Integrating Wireless Sensor Networks with Mobile Application

DOI : 10.17577/IJERTCONV6IS08024

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Integrating Wireless Sensor Networks with Mobile Application

Saravanan T

Ph.D Scholar, Anna University, Chennai

Dr. N. S. Nithya,

ASP/CSE, K.S.R College of Engineering, Tiruchengode

Abstract: The IOT device uses wireless sensor networks to represent the future design and communication. The collected sensor data are stored in cloud. The IOT allow the objects to be sensed and controlled remotely with a distance of 100m. The proposed framework portrays the Message Queuing Telemetry Transport (MQTT) protocol for monitoring the sensor data. The sensed data can be viewed in LCD Screen and BYLNK application with the help of Wi-Fi chip. The goal is to get both temperature and level sensor esteems with help of IOT and WI- FI.The output will be viewed anywhere by using internet through smart phones. The sensed data will be update on every second.

.Keywords: Node MCU, ESP8266, OLED, DHT, PCB, PC Screen, Bluetooth Module.


    The advanced future examination is done by the utilization of the sensors in which the framework control parameters are gathered and utilized by the Pc/Controller.

    The acknowledgement for all Power Plants and Computerization Business endeavors are certifiable in which the greatest part is given to scada structure that is done by the first rate current control framework. The goal of the principle visual approach is the whole computer station is screened to the solitary PC and the client can screen the whole technique from the particular screen. The Bluetooth module is used for transmitting the information securing ARM7 and the information characteristics.

    A persuaded and a perfect control activity is maintained if a client or control plan is available. The control station is used for watching the key issue of the client.


    In this system, the top of the line rationale controllers had been executed to control the entire methodology of fields.

    The entire strategy has been done thus, yet an issue is obliged the work to complete the control action. The exercise in the charge rooms are controlled and conditioned by the humans.


    Fig 1Temperature sensor and IR sensor.

    For the IoT mechanical applications the portal control room is used as an environment. Gas sensors are used in this framework. Temperature and gas sensors are used for checking the fire and gas leakage. Then the IR sensors will do their process to stop or control it.

    Temperature sensor and Gas sensor will distinguish if there is any fire mishaps and when the gas spillage happens If IR sensor has been initiated which demonstrates that an obscure individual has been gone into the business.

    By sending a character from our mobile phone we can monitor the appliances in industry.

    The modules used here are:

    The sensors used in the system are Espressif system, Temperature sensor, Gas sensor, IR sensor, Bluetooth Water level sensor.

    GPRS LDR Espressif system:

    ESP8266 is a low-cost Wi-Fi microchip with full TCP/IP stack and microcontroller capability produced by Shanghai- based on the Chinese manufacturer, the Espressif Systems. The successor to these microcontroller chips is the ESP32.

    ESP8266 Chip Features:

    ESP8266 Chip Features: Processor: L106 32- bit microprocessor core was based on the Ten silica Xtensa

    .The Diamond Standard 106Micro running at 80 MHz Memory: 32 KB instruction RAM 32 KB instruction cache RAM 80 KB user data RAM 16 KB ETS system data RAM External QSPI flash: up to 16 MB is supported (512 KB to 4 MB typically included) Integrated TR, switch, balun, LNA, power amplifier and matching network WEP or WPA/WPA2 authentication, or open networks 16 GPIO pins SPI I²C (software implementation)[5] I²S interfaces with DMA (sharing pins with GPIO) UART on dedicated pins, plus a transmit-only UART can be enabled on GPIO2 10-bit ADC (successive approximation ADC)

    IR sensor

    Fig 3.Gas sensor

    Temperature Sensor It is a sensor used to survey the temperature.

    Temperature Sensor

    The LM35 course which decides the activity of the precision joined with the circuit temperature sensors, which yield voltage is straightly related to the Celsius (Centigrade) temperature. It surveys the temperature which is more exactly than thermistors. It is changed and does not encounter oxidation. It doesn't require to yield the voltage to be extended. The figure beneath demonstrates the temperature sensor utilized as a part of our task.

    Element used in temperature sensor:

    TMP103 is the advanced yield temperature sensor in four ball wafer chip-scale bundle (WCSP). It is fit for perusing the temperature to determination with 10c. This sensor is accustomed to leakaging the gas for identifying the types of gear in ventures, family and so on which are reasonable for distinguishing the LPG gas, Alcohol, hydrogen smoke.

    IRsensor It is an electronic gadget that transmits so as to recognizing a few viewpoints in our environment. This sensor can identifies warmth of a protest and additionally it will identify the movement. These kinds of sensors will measures just the infrared radiation, as opposed to emanating it.

    Fig4. IR sensor.


    HC-05 Bluetooth module gives exchanging mode among ace and slave mode which inclines toward additional to utilize neither getting nor transmitting the information. The task of the Bluetooth module is utilized.

    Fig 1. Temperture sensor

    1. Gas sensor:

      This sensor is accustomed to leakaging the gas for identifying the types of gear in ventures, family and so on which are reasonable for distinguishing the LPG gas, Alcohol, hydrogen smoke. The figure underneath demonstrates the gas sensor module is utilized as a part of the framework.

      The usage of HC-05 is to transmit the data i.e., spillage of flame, gas and entering of obscure individual in to the business consistently to the android application 6.Water Level Sensor It is utilized for estimation of liquid level called as level sensor. The detecting test component comprises of wire link.

      Water Level Sensor

      The level of substances is utilized and recognized by the Level sensors. Such substances incorporate fluids, slurries, granular material and powders. Such estimations can be

      Fig5. Bluetooth module.

      utilized to decide the measure of materials inside a shut compartment or the stream of water in open channels. Water level sensor, LDR (light-dependent resistor) A LDR is a high-protection semiconductor.

      On the off chance that light falling on the gadget is high for enough recurrence, photons are consumed by the semiconductor gadget to give bound electrons enough vitality to hop from one into the other conduction band. The subsequent free electron (and its opening partner)will leads greater power, there by bringing down the resistance.

      Fig 6: Water level sensor

      LDR(light-dependent resistor)

      When light sparkles onto the LDR its protection falls and current streams into the base of the principal transistor and after that the second transistor. The preset resistor can be turned up or down to increment or abatement the further protection, along these lines it can make the circuit pretty much delicate. / 4.WORKING The temperature and gas sensor discovery is associated with the server for controlling and checking purpose.Here,theEspressif framework is utilized as a low Wi-fi chip to interface the server and client.IOT empowered the machines that can transmit operational data to the accomplices like unique hardware that makes to the field engineers.


    IOT sensor can effectively screen the machines and send a ready when the hardware veers off from its recommended parameter.IOT sensor gather the total item information and other outsider syndicated information from different phases of an item cycles. This information identifies with the piece of crude materials,temperature and working environment,wastes the effect of transportation and so on, All of these data sources can later be examined to recognize and adjust the quality issues.


    The proposed system lifts the control planner to get the data esteems wherever and everywhere inside the control room.

    This new structure is suited for securing the control parameters like temperature and gas spillage process factors of a present temperature process controller. Sensors pick up the data and with help of ARM7 bluetooth module the data characteristics are transmitted to an android device where parameter characteristics are secured in memory while in the meantime the customer can see and separate the readings gained logically.

    From this time forward the proposed system carries on like a better than average straightforward device of the control design as the customer can just be compact wherever in the control room besides it doesn't require the individual sitting before a load up appear consistently checking the procedure. Here the technique can be envisioned in the screen of an ordinary android tablet.

    All things considered in light of the use of ARM7-android open source organize blend, redesign and up degree both in the hardware and writing computer programs is adequately possible.


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