Session 19

What is the main purpose of an IoT Smart Dustbin?

• To recycle plastic

• To play music

• To open the lid automatically when someone approaches

• To store electricity

Which sensor is used to detect proximity in the smart dustbin?

• LDR

• Ultrasonic Sensor

• Temperature Sensor

• Sound Sensor

What component is responsible for opening and closing the lid?

• LED

• Motor Driver

• Servo Motor

• Buzzer

What happens when an object is detected within 15 cm?

• The dustbin vibrates

• The lid opens automatically

• A light turns on

• An alarm rings

What microcontroller is used in this project?

• Raspberry Pi

• NodeMCU

• Arduino Nano

• ESP32

Which programming tool is used for coding in this project?

• Python

• Otto Blockly

• Java

• Scratch

How does the smart dustbin help with hygiene?

• It filters the air

• It reduces physical contact with the lid

• It sprays perfume

• It recycles waste instantly

In which of the following places can an IoT Smart Dustbin be used?

• Only homes

• Only restaurants

• Smart cities, hospitals, schools, and offices

• Only dustbin factories

After opening the lid, what happens next?

• The lid remains open

• It turns on a fan

• The lid closes automatically after a delay

• It sends a message to your phone

Why is this project good for learning IoT?

• It involves using AI

• It includes basic electronics, sensors, and automation

• It is a mobile app

• It only involves hardware assembly