BIMESTRAL TECHNOLOGY 9TH GRADE

What is are the safetly meassures we must take in account to use the scroll saw?

• No wearing rings

• Using gloves

• Using safety googles

• hair tied

What is the primary function of the Bluetooth module (HC-06) when used with Arduino?

• It enables the Arduino to connect to the internet.

• It allows the Arduino to communicate wirelessly with other devices via Bluetooth

• It enhances the processing power of the Arduino board.

• It provides additional memory storage for Arduino sketches.

From the following, which actuator is going to be used in the Domotics House project?

• 
• 
• 
• 

what kind of sensor are we going to use in the Domotics House project?

• Ultrasonic

• Infrared

• Piezo

• Photoresistor

This circuit is made to test the buzzer. Spot the error in this circuit.

• The LED is upside down.

• The buzzer is not connected to GND.

• The resistor must be connected to GND.

• The buzzer is not connected to a positive line.

In this scale model, the hinges for the door are made with

• cardboard

• the servomotor

• pieces of straw

• bricks

How long is the pencil?

• 15cm

• 14cm

The buzzer is

• a sensor and it sounds when current flows throught it.

• an input device makes a sound when applied a voltage.

• a device that produces light when connected

• an output device that produces sounds when connected.

Spot the error in the program

• There is a missing semicolon at the end of the program

• Pin 9 is not defined as an output

• A0 is not defined as an input

• There is missing a closing curly brace }

In this project we will use the ultrasonic sensor to capture the voice commands to send it to the Arduino.

• True, because the ultrasonic sensor can be used as a microphone.

• False, because we will use the cellphone microphone to capture voice commands