01 Introduction to IoT Understand .pdf

Understand networking theories and concepts, such as OSI model, TCP/IP protocols, and subnetting
Build logical and abstract thinking

1. Internet of Things
Introduction to IoT
Eng. Abdallah El Ghamry

2. IoT Applications: Smart Umbrella
▪Anumbrellathatprovidesinformationaboutthelikelihoodofrainso
thatuserscanmakeasimpledecisionaboutwhethertotakethe
umbrellawiththemastheyleavetheirhome.

3. IoT Applications: Smart Umbrella
▪Theumbrellahasahandlethatwouldilluminatewhensnoworrain
wasintheforecast.

4. IoT Applications: Smart Umbrella
▪UsingexistingWi-Fitechnologytopullinformationaboutthe
weatherfromtheInternet.

5. IoT Applications: Quirky Egg Minder
▪Whenyoureggsupplygetslow,thisIoTapplicationwillsendinfo
directlytoyourphonetoremindyoutobuymoreeggs.

6. IoT Applications: WELT
▪WELTcaresuser’soverallhealthbymeasuringwaistsize,steps,
sittingtimeandovereatinghabitswiththesensingtechnology.

7. IoT Applications: Yucky Diaper Sensor
▪Newstartup24eighthascreated“wirelessdiapers”thatcontaina
cellularchipthatsendsatextmessagetotheluckymomordad
taskedwithcleaningupthemess.

8. IoT Applications: Smart Toaster
▪Youcanuseyoursmartphonetosetthedarknessofyourtoast,and
ifafriendhasthesametoasteryoucansendthemapictureontoast.

9. IoT Applications: Amazon Echo Look
▪Amazon’sEchoLookwilljudgehowyoulook.
▪Itcomparestwooutfitsandratewhichoneisbetter.

10. IoT Applications: HapiFork
▪TheHapiForkisaBluetooth-enabled“smartfork”thatvibrateswhen
itsensesyou’reeatingtoofast.

11. IoT Applications: Smart Refrigerators
▪ArefrigeratorwithaWi-Fienabledtouchscreenthatletsyou
manageyourgroceries.

12. IoT Applications: Smart Shoes
▪Smartshoesallowuserstochangethecoloroftheshoewithonetap
ontheirsmartphone.

13. IoT Applications: Healthcare

14. Network

15. Internet

16. Things
▪“Things”areagenericsetofentities,includingsmartdevices,
sensors,humanbeings,andanyotherobjectthatisawareofits
contextandisabletocommunicatewithotherentities,makingit
accessibleatanytime,anywhere.

17. Things

18. Internet of Things

19. Things
▪TheInternetofThings(IoT)representsthenetworkofphysicalobjects
“Things”thatareintegratedwithsensors,softwareandothertechnologies
forthepurposeofexchangingdatawithotherdevicesontheInternet.

20. AIoT Home

21. AIoT Home

22. Sensors
▪Asensorisadevicethatdetectssometypeofinputfromthephysical
environment.
▪Theinputcanbelight,heat,motion,pressureoranynumberofother
environmentalphenomena.

23. Sensors: Temperature/Humidity Sensor (DHT11)
▪TheDHT11sensormeasurestemperatureandhumidity.

24. Sensors: Temperature/Humidity Sensor (DHT11)

25. Sensors: Temperature/Humidity Sensor (DHT11)

26. Sensors: Temperature/Humidity Sensor (DHT11)

27. Sensors: Temperature/Humidity Sensor (DHT22)
▪TheDHT22sensorhasbetterspecificationsthanDHT11.

28. Sensors: PIR Motion Detection Sensor
▪ThePIR(PassiveInfrared)sensorallowsyoutosensemotion.
▪PIRisusedtodetectwhetherahumanhasmovedinoroutofthe
sensor’srange.

29. Sensors: PIR Motion Detection Sensor

30. Sensors: PIR Motion Detection Sensor

31. Sensors: Microphone Sound Detection Sensor
▪Themicrophonesoundsensor,asthenamesays,detectssound.
▪Itgivesameasurementofhowloudasoundis.

32. Sensors: Microphone Sound Detection Sensor

33. Sensors: Microphone Sound Detection Sensor

34. Sensors: Gas Sensor (MQ-2)
▪TheMQ-2gassensormoduleisusefulforgasleakagedetecting.
▪Themodulemeasuresgassuchasbutane.

35. Sensors: Gas Sensor (MQ-2)

36. Sensors: Gas Sensor (MQ-2)

37. Sensors: Gas Sensor (MQ-2)

38. Sensors: CdS Sensor
▪ACdSphotocellorLightDependentResistor(LDR)isaresistor
wheretheresistancechangesbasedontheamountoflight.

39. Sensors: CdS Sensor

40. Sensors: CdS Sensor

41. Sensors: Dust Sensor
▪Thedustsensorisasimpleairmonitoringmodule.

42. Sensors: Dust Sensor

43. Sensors: Ultrasonic Sensor (HC-SR04)
▪Asthenameindicates,ultrasonicsensorsmeasuredistancebyusing
ultrasonicwaves.

44. Sensors: Ultrasonic Sensor(HC-SR04)

45. Sensors: Ultrasonic Sensor(HC-SR04)

46. Sensors: ECG AD8232 Heart Rate Sensor
▪TheheartratemodulewiththeAD8232isadevicewhichiscapable
ofmeasuringelectricalactivityoftheheart.
▪TheactivitycanbedisplayedusinganECGtypegraphic.

47. Sensors: ECG AD8232 Heart Rate Sensor

48. Sensors: ECG AD8232 Heart Rate Sensor

49. Actuators
▪Sensorsturnaphysicalinputintoanelectricaloutput,while
actuatorsdotheopposite.
▪Actuatorstakeelectricalsignalsfromcontrolmodulesandturnthem
intophysicaloutputs.
LEDs Buzzer DC Fan Servo Motor

50. AIoT Home

51. AIoT Home: Simple Experiment
▪Turnonthelightandfanwhenhumanbeingdetected.
PIR Sensor LEDs DC Fan

52. AIoT Home: Simple Experiment
frompopimportPir, Fan, Led
importtime
pir= Pir(22) # Create Pir object and connect to GPIO 22
leds= Led(23) # Create Led object and connect in GPIO 23
leds2= Led(24) # Create Led object and connect in GPIO 24
dcfan= Fan(17) # Create DC fan object and connect in GPIO 17
whileTrue:
ret= pir.read() # Return value read from the PIR sensor
if(ret== True): # If a human is detected
leds.on() # Turn on led
leds2.on() # Turn on led2
dcfan.on() # Turn on fan
time.sleep(2) # Wait 2 seconds
else: # Else
leds.off() # Turn off led
leds2.off() # Turn off led2
dcfan.off() # Turn off fan
time.sleep(0.1) # Wait 0.1 seconds