Virtual Labs

Computer Science and Engineering Internet of Things (IoT) Experiments

Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Contributors

Feedback

Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Contributors

Feedback

Raspberry Pi Bluetooth Data Transfer to Smartphone

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Beginner

Intermediate

Advanced

Which protocol does the Raspberry Pi use to communicate over Bluetooth with devices like HC-05?

a: HTTP Explanation

Explanation

b: Serial Port Profile (SPP) Explanation

Explanation

c: MQTT Explanation

Explanation

d: I2C Explanation

Explanation

What is the maximum typical range of Bluetooth communication for Raspberry Pi projects?

a: 1 meter Explanation

Explanation

b: 10 meters Explanation

Explanation

c: 100 meters Explanation

Explanation

d: 1 kilometer Explanation

Explanation

Which pins on the Raspberry Pi are used to interface with an external HC-05 Bluetooth module?

a: GPIO 2 and GPIO 3 Explanation

Explanation

b: TX and RX (UART0) Explanation

Explanation

c: SDA and SCL Explanation

Explanation

d: GPIO 17 and GPIO 27 Explanation

Explanation

Why is pairing required between Raspberry Pi and a Bluetooth device?

a: To discover the device and establish a secure connection Explanation

Explanation

b: To increase signal strength Explanation

Explanation

c: To enable Wi-Fi sharing Explanation

Explanation

d: To provide power to the device Explanation

Explanation

When Raspberry Pi acts as a Bluetooth server, what is its role?

a: It waits for connections from clients Explanation

Explanation

b: It initiates connections to other devices Explanation

Explanation

c: It broadcasts Wi-Fi signals Explanation

Explanation

d: It functions as a modem Explanation

Explanation

What is the primary role of the HC-05 module in this experiment?

a: To power the Raspberry Pi Explanation

Explanation

b: To enable serial communication over Bluetooth Explanation

Explanation

c: To store sensor data Explanation

Explanation

d: To connect to the internet Explanation

Explanation

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