PARAMETER SENSING REMOTE OPERATED VIDEO ENHANCED RECEIVER

AZEEM SIDHIQUE KP | MUHAMMED SALIH P | SHAHEEM TM | SHAMIL AHAMMAD K | THANSEEM K 90012047 90012052 90012064 90012065 90012071

OVERVIEW

Foreword Hardware Components Software Components Block Diagram User Interface Product Demonstration Applications Further Enhancements

FOREWORD

Industries - Complex structures & hazardous areas - Human can hardly reach Problems - loss in production and may be lethal It is important to analyse exact problem without risking human life PS-ROVER - mechanism- operated wirelessly Sense parameters – Sensors embedded to ATmega-328 MCU Senses harmful gases, temperature, pressure, humidity Real time visual monitoring ATMega 328 - Low power usage & high performance Interface - Using Arduino 1.6.5 and Processing 3.0.1 Wireless data transmission/reception - ZigBee Transceiver Module

COMPONENTS

₪ HARDWARE COMPONENTS

₪ SOFTWARE COMPONENTS

HARDWARE COMPONENTS

Atmega-328 Microcontroller ZigBee Transceiver Modules MQ-7 CO And Other Poisonous Gas Sensor BMP180 Barometric Pressure Sensor DHT11 Temperature / Humidity Sensor Voltage Regulator 7805 Voltage Regulator AMS1117 L293D Motor Driving IC 60rpm 12V DC Gear Motor (2 Numbers) 8mm LED (2 Numbers) IP Camera 12V DC Lead Acid Battery

SOFTWARE COMPONENTS

IP Cam

Arduino 1.6.5 Processing 3.0.1

MQ7 CO & Other Poisonous Gas Sensor

LAMP MOSFET Driven

BMP180 Barometric

Pressure Sensor

DHT11 Temperature

Sensor

L293D Motor Driver IC

GEAR MOTOR 1 60rpm/12V

GEAR MOTOR 2 60rpm/12V

ZigBee Transceiver

BLOCK DIAGRAM

ATmega-328 Microcontroller

ATmega 328

₪ Manufactured By Atmel Inc.₪ Single Chip Microcontroller₪ Low Power CMOS 8-bit₪ RISC Architecture₪ Internal A/D Converter₪ I2C Communication₪ 20MHz Operating Frequency₪ Flash Memory With EPROM & SRAM₪ W/E at 10,000flash/100,000 EPROM₪ Operates between 1.8V -5.5V₪ Built in Clock₪ Data Detention Capacity –

ↄ 20 years at 850Cↄ 100 years at 250C

Image source : http://www.hobbytronics.co.uk/image/data/tutorial/arduino-hardcore/atmega328-arduino-pinout.jpg

ZigBee Transceiver Module

₪ Manufactured by Digi International₪ IEEE 802.15.4 Specification₪ High Level Protocol Communication₪ Creates Personal Area Network₪ Less Cost Compared To Other WPAN Devices₪ Highly Optimised₪ Low Power Consumption₪ Range up to 100meters₪ Mesh Network Possible₪ Intermediate Data Transmission₪ Used in Low Data Rate Applications ₪ 250Kbit/s Data Transfer Rate ₪ 128bit Encrypted Security

Image source: http://ep.yimg.com/ca/I/yhst-27389313707334_2252_127389036

MQ-7 CO and Other Poisonous Gas Sensor

₪ Manufactured by Paralax Inc.₪ Simple to Use₪ Highly Sensitive to CO.₪ Detect CO from 20 to 2000ppm₪ Features

ↄ High Sensitivity to CO, CH4

ↄ Small Sensitivity to alcohol, smokeↄ Fast Responseↄ Stable and Long Lifeↄ Simple Drive Circuit

Image source: http://www.geeetech.com/wiki/images/1/16/MQ-7_wiring.jpg

₪ Composed of micro-Al2O3 Ceramic Tube, Tin Dioxide (SnO2) Sensitive Layer, Measuring Electrode And Heater.

₪ Components Fixed To Crest (Plastic/Stainless Steel Net)₪ Heater Provides Necessary Conditions (Ni-Cr Alloy)₪ 6-Terminals

ↄ One Used to Fetch Signalsↄ One Each for VCC and GNDↄ Other One Shorted to VCC, Provide Heating-Currentↄ Rest Two Are Not Connected

₪ Electrodes - Au₪ Electrode Lines – Pt₪ Clamp Ring And Tube Pin – Copper Plating Ni

BMP180 Barometric Pressure Sensor

₪ Manufactured by BOSCH Sensortec Inc.₪ High precision digital pressure sensor₪ Less Power Consumption₪ High Accuracy – Linearity – Long term stability₪ Fast conversion time ₪ Easy system integration with micro controller₪ Connected to a microcontroller via I2 C bus₪ BMP180 delivers uncompensated values ₪ E2PROM – 176 bit of calibration data : compensate the parameters₪ Pressure and temperature data compensated by E2PROM of BMP180₪ Based on piezo-resistive technology₪ Consists of – Piezo electric sensor – ADC – control unit with E2PROM – I2 C

Interface

Image source :http://ecx.images-amazon.com/images/I/51UNK2Z4bRL._SY355_.jpg

source: www.bosch-snsortec.com/BST-BMP180-DS000-09

DHT11 Temperature / Humidity Sensor

₪ Manufactured by DFRobot₪ Features temperature & humidity sensor complex₪ Calibrated digital signal output₪ High reliability & Long term stability₪ Fast response & Anti-interference ability₪ Small size, Low power consumption₪ Consists – Resistive type humidity sensor & NTC temperature measurement component₪ Calibrations coefficients stored in OTP memory₪ Signal transmission up to 20m₪ 4 pins single row package₪ Works with 3-5.5V DC (Typical 5V)₪ Sampling period – 1second₪ Measurement range

ↄ 20-90 % RH Accuracy ±5 % RHↄ 0-50 Accuracy ±2℃ ℃

Image source:http://www.tandyonline.co.uk/media/catalog/product/cache/1/image/9df78eab33525d08d6e5fb8d27136e95/d/h/dht-11.png

7805 5V Voltage Regulator

₪ Manufactured by Fairchild Semiconductors₪ Belongs to 78xx family₪ Positive Voltage Regulator₪ Three terminals ₪ Requires 7.3V minimum input₪ Output maximum 5V₪ Protection against

ↄ Drawing too much currentↄ Overheatingↄ Short-circuits

₪ Require no additional components – Give constant regulated output

Image source:http://www.learningaboutelectronics.com/images/Lm7805pinspinout2.jpg

AMS1117 3.3V Voltage Regulator

₪ Manufacturer – AMS Inc.₪ Provides 1A output current₪ 1V input to output differential₪ Features :

ↄ Terminal voltage 3.3Vↄ Output current 1Aↄ Operates down to 1V dropoutↄ Line regulation 0.2%ↄ Load regulation 0.4%

₪ Applications :ↄ High efficiency linear regulatorsↄ Post regulators for switching suppliesↄ 5V to 3.3V linear regulatorsↄ Battery chargersↄ Power management for laptops

Image source:http://iot-playground.com/images/articles/002/AMS1117.png

L293D Motor Driver IC

₪ Manufacturer Texas Instruments Inc.₪ Pins connected connectors for easy access₪ L293D – Dual Full Bridge driver₪ Drive up to 1A per bridge with supply voltage up to 24V₪ Drive two DC motors , relays , solenoids etc.₪ Device is TTL compatible₪ Features

ↄ Compatible with any systemↄ Easy to interfaceↄ On-board PWM selection switchↄ External power supply pin for Motors supportedↄ 2 pin terminal block – Easy motor connection

₪ Technical specifications ↄ Power supply 5Vↄ External power 9V to 24V DCↄ Temperature Range 0°C to +70 °C

Image source:http://www.ti.com/graphics/folders/partimages/L293D.jpg

Image source:http://www.robotplatform.com/howto/L293/img_l/L293D_connections.jpg

60rpm 12V DC Gear Motor

₪ Drive the wheels of PS-ROVER₪ 6mm shaft diameter internal hole – weighs 125gms₪ Stall Torque – 1.5 kgcm torque ₪ Maximum of 60mA no load current₪ Maximum of 300mA load current₪ Two leads connected to L293D IC₪ Two motors used₪ Both in forward direction – ROVER moves forward₪ Both in reverse direction – ROVER moves backward₪ One in forward & other backward – ROVER turns Left/Right₪ Turn Left/Right by Differential Drive₪ Software control via L293D

Image source:http://cdn.shopclues.net/images/thumbnails/23803/320/320/ztemp7jjXOs1439388951.jpg

8mm LED

₪ Two 8mm LEDs used for aiding vision

₪ Connected to ATmega 328 & driven by MOSFET

₪ Switched ON/OFF from Software

Image source:http://www.ledsales.com.au/images/8mm%20half%20watt%20LED.jpg

IP Camera with Android Application

₪ IP Camera is fixed on ROVER

( Android Application + Android device )

₪ Live video fed to monitoring device via Wi-Fi

Image source:https://lh4.ggpht.com/M88G2tTM3F55VDS2_AKy46E4TnMTmQBNC6QtbbGFRvJuuxD9XDIO6ZAGxPqduaTtotE=h900-rw

Circuit Diagram

₪ Keyboard Controls

⌂ Key L : Switch ON Lamps⌂ Key K : Switch OFF Lamps⌂ Key R : Retry Video Output⌂ Key E : Enable IP Address Textbox⌂ Space Key : Stop Motors Functioning⌂ Arrow Key Up : Move Forward⌂ Arrow Key Down : Move Backward⌂ Arrow Key Right : Turn Right⌂ Arrow Key Left : Turn Left

USER INTERFACE

DEMO

INTERFACING OF PS-ROVER

Arduino 1.6.5

Open Source Large Number of Libraries Large User Communities Runs on Common Platforms

LinuxUbuntuWindows Mac OSX

Build on C/C++ programming Language Configure Microcontrollers Allows Uploading Code to ATMega

Processing 3.0.1

Open Source Large Number of Libraries Large User Communities Runs on Common Platforms

LinuxUbuntuWindows Mac OSX

Build on Java Programming Language Simplified Syntax Programming Simplified Graphics Programming Allows Interfacing with ATmega

APPLICATIONS

₪ Exploration in Human restricted areas

₪ Surveillance of complex structured industries

₪ Corrosion observation in pipes and ducts

₪ Observation of leakage or breakage

₪ Provides visuals and detect poisonous gases in exploded areas

₪ Laboratory or site monitoring

Image source:http://www.businessnonstop.in/files/2014/08/industry.jpg

Further Enhancements

₪ Parameter measurement & surveillance of under water pipelines

₪ Visual and gas measurement in newly drilled mines

₪ Space exploration & environment information

₪ Child monitoring & home surveillance

₪ Defence Industries

Image source:https://student.societyforscience.org/sites/student.societyforscience.org/files/main/articles/curiosity-landed-drawing.jpg

Conclusion

Senses temperature, pressure, humidity and poisonous gases

ATMega 328 microcontroller is used

BMP180, DHT11, MQ7 are the sensors

12V DC power supply

7805 and AMS117 are the voltage regulators

Communication through ZigBee transceiver

Arduino 1.6.5 and Processing 3.0.1 are the programming softwares

Parameters are obtained in forms of graphs and numerical values

Significant applications in industries and explorations

Reference

[1] Atmel-8271I-AVR-ATmega48A/48PA/88A/88PA/168A/168PA/328/328P-Datasheet_10/2014. [2]Atmel; "ATmega328 documents";2015 [3] Bosch Sensortec; “Data sheet BMP180 digital pressure sensor”; Document number: BST-BMP180-DS000-09; April 2013 [4]D-Robotics; “DHT11 humidity and temperature sensor”; D-Robotics UK; 30-7-2010 [5]Advanced monolithic systems; “AMS1117 1A low dropout voltage regulator”; www.advanced-monolithic.com [6] Texas Instruments Incorporated; “l293, l293d quadruple half-h drivers”; SLRS008C; September 1986 − revised November 2004 [7]Campus component Pvt. Ltd.; “L293D motor driver”; www.campuscomponent.com [8] Hanwei electronics co., ltd; “MQ7”; www.hwsensor.com [9]Arduino; “Arduino 1.6.5”; www.arduino.cc/en/Main/OldSoftwareReleases; 2015 [10]Processing; “Processing 3.0.1”, www.processing.org/download; 2015 [11]Wikipedia; “IP Camera”; en.wikipedia.org/wiki/IPcamera