14.1. IOT Bulb control Using LDR Part 1

IOT stands for ?

• Internet of Things

• Invention of Technology

• Internet of Technology

• Internal of Things

The specialty of IOT devices is that _______________.

• It can create power

• It can withstand high voltage

• It can be controlled

• It can work even when its switched off

When LDR sensor shows 1 in the Serial Monitor, the IOT bulb ______?

• will Glow

• will not glow

• None of the above

• All of the above,

Relay resembles the following component.

• Button

• Switch

• Sensor

• Buzzer

Relay requires how many power sources to function effciently?

• 1

• 2

• 3

• 4

What does LDR in LDR sensor stand for?

• Light depended Reactor

• Light Dependent resistor

• Life depended reactor

• Light Distorted Rectifier

Which color completely absorbs IR radiation while other completely reflects?

• Black, White

• White, Black

• Red, Violet

• Green, Blue