13.Smart Dustbin

What are the components we need to make a smart dustbin?

• Ultrasonic sensor

• Servo motor

• Microbit

• all of them

choose the correct option for measuring the units of distance?

• inches

• cm

what is use of Servo motor in Smart dustbin?

• to check the motion

• To move dustbin to different places

• to close and open the dustbin

• all of these

Which block is used to rotate a servo motor to a specific angle?

• 
• 
• 
• 

What is the significance of the red pin on a servo motor?

• It indicates the ground connection

• It controls the rotation

• to stop rotation

• It provides power to the servo motor.

Observe the blocks and answer the question

What will happen if distance more than 5cm ?

• servo rotates to 90 degrees

• stop rotating servo

• sensor stops working

• it makes sound

what will happen when someone came near to the dustbin?

• it will close the dustbin

• it will play any music

• the dustbin will automatically opens

• it will do nothing