Exploring IoT and Bluetooth Basics

What does IoT stand for?

• Internet of Things

• Interconnected Online Tools

• Internet of Technology

• Intelligent Operating Terminal

Name one common application of IoT.

• Smart home devices

• Wearable fitness trackers

• Industrial machinery monitoring

• Smart agriculture systems

What is Bluetooth primarily used for?

• Long-range communication between devices.

• Wired connection for data transfer.

• Short-range wireless communication between devices.

• Audio streaming over the internet.

How does Bluetooth communicate with devices?

• Bluetooth relies on fiber optic cables for data transfer.

• Bluetooth connects devices through a wired connection.

• Bluetooth uses infrared light to communicate with devices.

• Bluetooth communicates via short-range radio waves and a pairing process to exchange data packets.

What is the HC-05 Bluetooth module used for?

• The HC-05 Bluetooth module is used for wireless communication between devices.

• To connect to Wi-Fi networks.

• As a GPS tracking module.

• For powering devices remotely.

Which microcontroller is commonly used with the HC-05?

• Arduino Uno

• BeagleBone Black

• ESP32

• Raspberry Pi

What is the purpose of serial communication in Arduino?

• The purpose of serial communication in Arduino is to facilitate data exchange between the Arduino and other devices.

• To store data permanently on the Arduino.

• To increase the processing speed of the Arduino.

• To power external devices directly from the Arduino.

How do you connect the HC-05 module to an Arduino?

• Connect VCC to 3.3V, GND to GND, TX to TX, and RX to GND.

• Connect VCC to 5V, GND to 5V, TX to RX, and RX to TX.

• Connect VCC to 5V, GND to GND, TX to RX, and RX to TX.

• Connect VCC to GND, GND to 5V, TX to TX, and RX to RX.

What is the default baud rate for HC-05 Bluetooth module?

• 115200

• 57600

• 9600

• 4800

What programming language is used to program Arduino?

• Java

• C/C++

• Python

• JavaScript