This document describes the design of a human detection robot. The robot uses various sensors like a PIR sensor to detect humans, an ultrasonic sensor for obstacle detection, a DHT11 sensor for temperature and humidity detection, and an MQ2 gas sensor. An Arduino microcontroller controls the robot's motors and sends sensor data to a remote user interface using WiFi or Bluetooth. The robot is intended for use in dangerous situations where humans cannot directly enter, like collapsed buildings or rooms with gas leaks, to detect humans and environmental conditions from a safe distance.

1. HUMAN DETECTION
ROBOT
GUIDED BY,
ASHLY MATHEW
ASSISTANT PROFESSOR,
ECE DEPARTMENT
SUBMITTED BY : GROUP 2
RICHARD RAJAN

2. CONTENTS
 AIM
 OBJECTIVE
 INTRODUCTION
 ABSTRACT
 BLOCK DIAGRAM
 COMPONENTS
 CIRCUIT DIAGRAM
 FLOWCHART
 SIMULATION RESULTS
 BILL OF MATERIALS
 GANTT CHART
 ADVANTAGES
 APPLICATION
 CONCLUSION
 FUTURE SCOPE
 REFERENCE
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3. AIM
 TO DESIGN AND IMPLEMENT A HUMAN
DETECTION ROBOT
 PLACES AND CIRCUMSTANCES WHERE
HUMANS CANNOT GO DIRECTLY
 ROBOTS BUILT WITH PIR SENSOR ARE USED
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4. OBJECTIVE
 TO DEVELOPA HUMAN DETECTION ROBOT
 TO IDENTIFY HUMANS EFFICIENTLY.
 TO DESIGN, BUILD AND TEST A ROBOT
 CAPABLE OF DETECTING HUMANS
 COLLAPSED BUILDING
 GAS LEAKAGE ROOMS
 EFFECTIVELY REPLACING BY A ROBOT IN HIGHLY
DANGEROUS SITUATIONS.
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5. INTRODUCTION
 TO DEVELOPA HUMAN DETECTION ROBOT
USING IOT TECHNOLOGY
 DESIGNED FOR REMOTE OPERATION
 AVOID DIRECT INTERVENTION OF RESCUE
OPERATORS IN DANGEROUS SITUATIONS
 PIR SENSOR DETECT THE PRESENCE OF
HUMANS
 TAKES IMAGES AND SENDS TO RESCUE
OPERATOR
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6. ABSTRACT
 USER CONTROLS THE ROBOT
 REMOTELY
 WIRELESSLY
 SYSTEM USES IOT REMOTE CONNECTED TO ATMEGA 328P
 CAMERAPRO FOR UPLOADING PICTURE
 PIR SENSOR FOR DETECTING LIVE HUMANS
 ULTRASONIC SENSOR FOR OBSTACLE DETECTION
 DHT11 FOR TEMPERATURE DETECTION
 MQ2 FOR GAS DETECTION
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7. BLOCK DIAGRAM
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8. COMPONENTS
 THE MAIN COMPONENTS ARE :
 MICROCONTROLLER BOARD BASED ON ATMEGA 328P
 PIR SENSOR : FOR DETECTING HUMAN IR
 MOTOR DRIVER: GOVERNS THE ELECTRIC MOTOR
PERFORMANCE
 GEAR MOTOR: FOR THE MOVEMENT OF THE ROBOT
 BATTERY: RECHARGEABLE (6V LEAD ACID)
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9. PIR SENSOR
 HCSR 501 TO DETECT IR FROM
HUMAN
 IT CAN DETECT LEVELS OF
INFRARED RADIATION
 VOLTAGE : 5V-20V
 RANGE : 14m
ULTRASONIC SENSOR
 HCSR 04 CAN DETECT THE
OBSTACLES IN THE PATH BY
USING SOUND WAVES
 VOLTAGE : 5V
 CURRENT : 15mA
 FREQUENCY : 40KHz
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10. TEMPERATURE
HUMIDITY SENSOR
 DHT11 DIGITAL TEMPERATURE
AND HUMIDITY SENSOR
 COMPOSITE SENSOR CONTAINS
A CALIBRATED DIGITAL SIGNAL
OUTPUT
 VOLTAGE : 3.3V/5V
GAS SENSOR
 MQ 2 FOR DETECTING
 H2
 LPG
 CH4
 CO
 SMOKE.
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11. BLUETOOTH MODULE
 HC-05 BLUETOOTH MODULE IS
AN EASY TO USE BLUETOOTH
SPP
 INPUT VOLTAGE: DC 5V
 COMMUNICATION METHOD:
SERIAL COMMUNICATION
WIFI MODULE
 ESP8266 USED TO CONTROL
ROBOT WHEN NEED
 MEMORY: 32 KB INSTRUCTION
RAM
 16 GPIO PINS
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12. GEAR MOTOR
 USED FOR LOW SPEED HIGH
TORQUE
 100 RPM
 DC SUPPLY: 4V TO 12V
VOLTAGE REGULATOR
 THAT PROVIDES A STABLE DC
VOLTAGE
 INDEPENDENT OF
 LOAD CURRENT
 TEMPERATURE
 USED
 LM7805
 LM7812
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13. CIRCUIT DIAGRAM
D6
1N4007
2 1
J14
MOTOR
1
2
+5V
+5V
C9
C
LS1
BUZZER
1
2
+5V
J9
CON3
1
2
3
U1
ATMEGA328P
1
10
12
13
14
15
16
17
18
19
2
3
6
7
8
9
11
5
4
23
24
25
26
27
28
21
20
22
RST
XTAL2
(AIN0)PD6
(AIN1)PD7
(ICP)PB0
(OC1)PB1
(SS)PB2
(MOSI)PB3
(MISO)PB4
(SCK)PB5
PD0/RXD
PD1/TXD
(T0)PD4
VCC
GND
XTAL1
(T1)PD5
(INT1)PD3
(INT0)PD2
(ADC0)PC0
(ADC1)PC1
(ADC2)PC2
(ADC3)PC3
(ADC4)PC4
(ADC5)PC5
AREF
AVCC
AGND
U5
LM7805
1
2
3
VIN
GND
VOUT
D3
1N4007_2
SW12
SW PUSHBUTTON
+5V
J10
PIR
1
2
3
J8
PIR
1
2
3
12V
+5V
+5V
J6
DHT11 Temperature And Humidity Sensor
1
2
3
Q1
BC547
1
2
3
U7
L293
2
7
10
15
1
9
3
6
11
14
16
8
4
5
13
12
1A
2A
3A
4A
1,2EN
3,4EN
1Y
2Y
3Y
4Y
VCC1
VCC2
GND
GND
GND
GND
R10
R
J13
MOTOR
1
2
R8
10 K
+5V
J90
HC05 BLUETOOTH MODULE
1
2
3
4
5
6
STATE
RX
TX
GND
+5V
EN
C2
CAP
+5V
J7
ultrasonic
1
2
3
4
+5V
U6
LM7812/TO
1
2
3
VIN
GND
VOUT
+5V
C8
C
+5V
+5V
C6
18 pF
12V
C5
18 pF
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14. SIMULATION RESULTS
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15. BILL OF MATERIALS
SL
NO
COMPONENTS QUANTITY PRICE
1 PIR SENSOR 1 150
2 ULTRASONIC SENSOR 1 180
3 ARDUINO BOARD 1 950
4 GEAR MOTOR 2 200
5 ROBOT CHASIS 1 650
6 BLUETOOTH MODULE 1 350
7 WIFI MODULE 1 300
8 TEMPERATURE SENSOR 1 280
9 GAS SENSOR 1 290
9 MOTOR DRIVER 1 300
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16. GANTT CHART
25-Apr-17 14-Jun-17 3-Aug-17 22-Sep-17 11-Nov-17 31-Dec-17 19-Feb-18 10-Apr-18
Abstract & block diagram
Circuit design
Identifying components
Datasheet of components
Purchasing components
Arduino details
Purchase of robot case
Study of program-arduino interfacing with pir sensor
Study of program-with motor,modules
Product modelling
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17. ADVANTAGES
 CAPABILITY OF SENSING ACCURATELY WITH
INCREASED FLEXIBILITY.
 NOT SENSITIVE TO LIGHT.
 NOT SENSITIVE TO WEATHER CONDITIONS.
 LOW COST IN THE LONG RUN.
 DECREASES THE AMOUNT OF HARM
CAUSING TO PEOPLE.
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18. APPLICATION
 IN DISATER CONDITION
 TO MEASURE THE AMOUNT OF GAS LEAKAGE
 TO MEASURE TEMPERATURE
 TO GET VISUAL FEEDBACK FROM INSIDE BUILDING
 SECURITY APPLICATION
 PREVENT ROBERY
 NOTIFY UNKNOWN PRESENCE
 MILITARY PURPOSE
 DETECT ENEMY PRESENCE IN BORDER AREAS
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19. CONCLUSION
 A HUMAN DETECTION ROBOT USING IOT
COMMUNICATION, IS DESIGNED AND IMPLEMENTED
IN EMBEDDED SYSTEM DOMAIN.
 EXPERIMENTAL WORK HAS BEEN CARRIED OUT
EFFICENTLY.
 THE RESULT SHOWS THAT HIGHER EFFICIENCY IS
INDEED ACHIEVED USING THE EMBEDDED SYSTEM.
 THE PROPOSED METHOD IS VERIFIED TO BE GREAT
BENEFICIAL FOR THE RESCUE PURPOSE.
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20. FUTURE SCOPE
 THE PROJECT HAS BEEN MOTIVATED TO DESIGN A
SYSTEM THAT CAN DETECT HUMANS WITHOUT
ANY HUMAN INTERVENTION.
 THE SYSTEM DEVELOPED IS A LOW COST SYSTEM
SO IT HAS A WIDE FUTURE SCOPE.
 THIS PROVIDES US THE OPPORTUNITY TO PASS ON
TO ROBOTS TASKS THAT TRADITIONALLY HUMANS
HAD TO DO BUT WERE INHERENTLY LIFE
THREATENING.
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21. REFERENCES
 “DETECTING DIRECTION OF MOVEMENT USING PYROELECTRIC
INFRARED SENSORS” BY JAESEOK YUN, MEMBER, IEEE, AND MIN-HWAN
SONG.
 “DETECTING DIRECTION OF MOVEMENT USING PYROELECTRIC
INFRARED SENSORS” BY JAESEOK YUN, MEMBER, IEEE, AND MIN-HWAN
SONG.
 “HUMAN INFRARED SIGNAL RECOGNITION USING SINGLE PIR DETECTOR”
LINHONG WANG CHONGQING COLLEGE OF ELECTRICAL ENGINEERING
CHONGQING, CHINA.
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