Automatic Rain Alarm Detector

What is the main topic of the learning material?

• Automatic Rain Alarm Detector

• Weather Forecasting

• Solar Energy

• Wind Turbines

The Automatic Rain Alarm Detector uses a _______ sensor to detect rain.

• temperature

• humidity

• raindrop

• light

When rain is detected by the Automatic Rain Alarm Detector, what action is taken?

• It turns on a light

• It triggers an alarm or activates a warning system

• It sends a text message

• It shuts down.

The second step in the plan is to ______.

• Conclude

• Connect hardware

• Code

• Plan

A raindrop sensor is a switching device activated by ______.

• sunlight

• wind

• rainfall

• temperature

Which component in the circuit is used to detect environmental changes?

• LED

• Buzzer

• Sensor

• Resistor

In the circuit, the LED is connected to the ______.

• Breadboard

• Arduino Mega

• Sensor

• Buzzer