Sabaq 1 · Internet of Things

Jab cheezein baatein karne lagein

Socho tumhara pankha khud jaan le ke garmi hai, paani ki tanki khud bataye ke bhar gayi, aur bijli ka meter khud bill bhej de. Yehi hai IoT.

SensorDimaghInternetKaam
CLOUD
IoT kya hai?

Cheez + Internet = IoT

Thingkoi bhi cheez: bulb, pankha, tanki
+
Sensorjo mehsoos kare
+
Internetjo baat pohnchaye

Internet of Things ka matlab hai aam cheezon ka internet se jur jana, taake woh khud dekh sakein, faisla kar sakein, aur hamein khabar de sakein. Pehle sirf insaan internet use karte thay. Ab cheezein bhi karti hain.

Kya tum jante ho? "Internet of Things" ka naam 1999 mein Kevin Ashton ne rakha tha. Aaj duniya mein insaanon se zyada IoT devices internet se jure hue hain!
Yeh kaam kaise karta hai?

Bilkul insaan ki tarah: 4 qadam

Kahani dekho: garmi ka din hai aur kamra 36°C ho gaya. Har qadam baari baari chamkega.

QADAM 1

Sensor

Hamari aankh aur jild jaisa
CPU QADAM 2

Dimagh

Microcontroller, jaise ESP32
QADAM 3

Internet

Zubaan: WiFi se paighaam bhejna
QADAM 4

Kaam

Haath: motor, pump, light (Actuator)
Khud chala kar dekho

Smart Ghar Lab

Neeche sliders hilao. Tum sensor ki reading badal rahe ho. Ghar khud faisla karega aur phone par message bhejega.

PANKHA: BAND 28°C PUMP: BAND 50% MOTOR: BAND
Rule: 30°C se zyada → pankha chalao
Rule: andhera ho → bulb jalao
Rule: 30% se kam → pump chalao
Rule: 20% se kam → motor on · 95% → motor off
Ammi ka phoneWiFi ●
Smart Ghar: Sab theek hai. Main nazar rakh raha hoon.
Asal zindagi mein IoT

Yeh sab tumhare aas paas hai

Har misaal mein wohi 4 qadam dhoondo: kya mehsoos hua, kahan gaya, aur kya kaam hua.

Tanki ka Alarm

SENSOR
Float / ultrasonic sensor paani ka level napta hai
INTERNET
WiFi se phone par alert
KAAM
Tanki bharte hi motor khud band. Paani zaya nahi!
01452

Smart Bijli Meter

SENSOR
Kitni bijli (units) istemal hui
INTERNET
Reading khud company tak jati hai
KAAM
Meter reader ki zaroorat nahi, bill khud ban jata hai

Smart Khet

SENSOR
Mitti mein nami ka sensor
INTERNET
Kisan ke mobile par report
KAAM
Sirf zaroorat par paani. Paani aur bijli dono bachte hain

Smart Watch

SENSOR
Dil ki dhadkan aur qadam ginna
INTERNET
Bluetooth se phone, phir cloud
KAAM
Sehat ka record aur "uth kar chalo" ki yaad dehani

Car / Bike Tracker

SENSOR
GPS batata hai gaari kahan hai
INTERNET
SIM card se location bhejta hai
KAAM
Chori ho to fauran pata, ride apps bhi yehi use karti hain

School Attendance Card

SENSOR
RFID reader card ko pehchanta hai
INTERNET
Haazri school ke system mein
KAAM
Walidain ko SMS: "Bacha school pohanch gaya"
Dimagh lagao

IoT hai ya nahi?

Yaad rakho: IoT tab hai jab cheez mehsoos bhi kare aur internet se baat bhi kare.

Score: 0 / 8
Ab tum engineer ho

Apna IoT gadget banao

Zaroori baat

Faida bhi, hifazat bhi

IoT ke faide

  • Paani, bijli aur waqt ki bachat
  • Door baith kar cheezein control
  • Khatre ka fauran pata (aag, gas, chori)
  • Kisanon aur hospitals ki madad

Ehtiyat

  • Device ka password "1234" mat rakho, mazboot rakho
  • Camera aur mic wale devices ghar ki baatein sun sakte hain
  • Internet band ho to kuch devices kaam nahi karte
  • Naya device lagane se pehle bare se poocho
Aaj ka khulasa

Yaad rakhne wali 4 baatein

IoT = Cheez + Sensor + InternetSensor = AankhMicrocontroller = DimaghActuator = Haath

🏠 Homework

  1. Apne ghar mein 3 aisi cheezein dhoondo jo IoT ban sakti hain.
  2. Har cheez ke liye likho: Sensor kya hoga? aur Kaam kya hoga?
  3. Ek cheez ki tasveer banao jis mein 4 qadam teer (arrows) se dikhao.

Agla sabaq: Sensor kitni qism ke hote hain, aur hum khud pehla sensor kaise chalayen.

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