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presentation on IOT.pptx

  1. 1. Presentation on IOT Internet of Things
  2. 2. What is IOT? Internet Of Things- It is network that connect all the devices with each Other . “It is the network of physical devices, vehicles, home appliances and electronics items like software, sensors, motors. Which enable these objects to connect and exchange data with other.” Smart Phone, Smart Watches, Laptop Or any other device which is connected with Internet comes under the category of IOT . In Electronics we Learn how to connect Various sensors, motors etc. with a Internet, So that they can be accessible from anywhere in the World. 2
  3. 3. Applications! Smart Homes. Smart City. Self-driven Cars. Farming. Wearables Devices. Easy maintenance . 3
  4. 4. Future scope As India is a developing country, it has a wide IoT scope, the demand for an IoT Developer has jumped over 300 percent. Fields - Agriculture. Traffic monitoring. Automation. Health Tracking. 4
  5. 5. “If you think that the internet has changed your life, think again . IOT is about to change it all over again! 5
  6. 6. Microcontrollers It is an Electronic device, that is responsible for all the processing and calculation Part . Basically it is same as your Brain Just like brain things that I have to buy chocolate if Mom gives me the Money , here money is working as a input and our brain is a processor and chocolate is the output . 6
  7. 7. How to implement IOT ╸ For the implementation of IOT we must a procssor or brain that has the ability to work with internet or wifi. ╸ So we Have NODE MCU Board, that has inbuilt WIFI and Bluetooth connectivity. Various models of NODEMCU are Available in Maket like ESP32, ESP8266 etc. 7
  8. 8. ESP 32 It is a Dual Core Processor. It has wifi and bluetooth. It has a ROM of 448 kb. In-built temp. sensor included. Expensive than 8266. Comparison of ESP32 and 8266 ESP 8266 It is a Single Core Processor. It has only wifi . It has a ROM of 80 kb. No In-built temp. sensor is there. Cheaper than 8266. 8
  9. 9. What is ESP8266? It is a low-cost Wi-Fi microcontroller. It supports Wi-Fi Connectivity, that means we can monitor or control anything with our mobile phone from anywhere in the world. Example- Suppose That you connect a led with that and now the led is in home and you are in school, you can turn in on and off from school by just using the phone. 9
  10. 10. Pins diagram ESP8266 10 ╸ It has 17 GPIO pins ╸ 1 Analog input Pin ╸ It has 3.3v Output pin ╸ And various communications protocol pins like I2C , UART etc.
  11. 11. What is DHT 11? It is a low-cost Temperature and Humidity Sensor, that comes with a dedicated NTC to measure temperature and an 8-bit microcontroller to output the values of temperature and humidity as serial data. 11
  12. 12. Pins diagram DHT11 12 ╸ VCC And GND pin connects to the power supply of 3.3v to 5v ╸ Output pin is Data [2]pin, that Outputs both Temperature and Humidity through serial Data It is 3 pin Sensor
  13. 13. What is MQ-2? It is a low-cost Smoke Sensor, used for the detection of gas leakage (home and industry). It is suitable for detecting H2, LPG, Alcohol, Smoke etc. 13
  14. 14. Pins diagram MQ-02 14 ╸ VCC And GND pin connects to the power supply of 5v ╸ Output pin is are 2 one is Analog and other one is Digital Output. It is 4 pin Sensor
  15. 15. What is Arduino IDE? It is a Open Source Software that means anyone can use it free. Just like when we need anything from father we go to mother and tell ask dad for that . Here Mother works as a medium between you and your dad. It provide us the medium to communicate with microcontroller . 15
  16. 16. How to add ESP 8266 ? Step-1: In your Arduino IDE, Go to File> Preferences 16
  17. 17. How to add ESP 8266 ? Step-2: Enter http://arduino.esp8266.com/stable/pac kage_esp8266com_index.json into the “Additional Boards Manager URLs”, then press ok. 17
  18. 18. How to add ESP 8266 ? Step-3: Open the Boards Manager. Go to Tools > Board > Boards Manager… 18
  19. 19. How to add ESP 8266 ? Step-4: Search for ESP8266 and press install button for the “ESP8266 by ESP8266 Community“: 19
  20. 20. How to add ESP 8266 ? Step-5: That’s it. It should be installed after a few seconds. 20
  21. 21. How to Interface? ╸ For the interfacing we must have DHT11, Mq-2, jumper wires, Esp 8266 and laptop for coding. 21
  22. 22. How to connect DHT 11 ? First Connect Vcc of sensor to 3.3v of Esp board and ground to Gnd pin. Then connect data Pin of Dht 11 to D0 pin of Esp board 22
  23. 23. How to connect MQ-02 ? First Connect Vcc of sensor to 3.3v of Esp board and ground to Gnd pin. Then connect the A0 Pin of MQ-02 to A0 pin of Esp board 23
  24. 24. Programming ╸ For the measurement of temp. we need to install dht11 library from library manager . ╸ And for the measurement of smoke we just need to use if else statement. 24
  25. 25. Programming For Temperature we have to use function float t = dht.readTemperature(); For Humidity the function is float h = dht.readHumidity(); And for smoke detection- 25
  26. 26. Code #include "DHT.h" #define DHTPIN D0 #define DHTTYPE DHT11 DHT dht(DHTPIN, DHTTYPE); void setup() { Serial.begin(9600); Serial.println( “test!”); dht.begin(); } void loop() { float h = dht.readHumidity(); float t = dht.readTemperature(); 26 int analogSensor = analogRead(A0); if (analogSensor > 400) { Serial.println( “SMOKE DETECTED!!”); } else { Serial.println( “SMOKE NOT DETECTED”); } Serial.print(F(" Humidity: ")); Serial.print(h); Serial.print(F("% Temperature: ")); Serial.print(t); delay(100); }
  27. 27. OUTPUT ╸ When it detect smoke the serial monitor will show smoke detected and if there is no smoke then it show smoke not detected ╸ After that serial monitor will show the Temp. and Humidity level 27
  28. 28. Thanks! 28

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