Internet of Things (IoT) Case Studies — Student Worksheet

Task 1: Matching Exercise (5 marks) Match the technology with its correct description. Which description best matches LiDAR?

• A. A low-power wireless protocol for smart home mesh networks

• B. Uses laser pulses to create 3D maps of surroundings

• C. Detects heat signatures to trigger motion alerts

• D. AI that interprets and analyses images from cameras

• E. Combining data from multiple sensor types for accuracy

Answer explanation

LiDAR stands for Light Detection and Ranging, which uses laser pulses to measure distances and create detailed 3D maps of the environment, making option B the correct match.

Task 1: Matching Exercise (5 marks) Match the technology with its correct description. Which description best matches Computer Vision?

• A. A low-power wireless protocol for smart home mesh networks

• B. Uses laser pulses to create 3D maps of surroundings

• C. Detects heat signatures to trigger motion alerts

• D. AI that interprets and analyses images from cameras

• E. Combining data from multiple sensor types for accuracy

Answer explanation

Computer Vision is best described as AI that interprets and analyses images from cameras, making option D the correct match. The other options refer to different technologies unrelated to image analysis.

Task 1: Matching Exercise (5 marks) Match the technology with its correct description. Which description best matches Zigbee?

• A. A low-power wireless protocol for smart home mesh networks

• B. Uses laser pulses to create 3D maps of surroundings

• C. Detects heat signatures to trigger motion alerts

• D. AI that interprets and analyses images from cameras

• E. Combining data from multiple sensor types for accuracy

Answer explanation

Zigbee is best described as a low-power wireless protocol for smart home mesh networks, making choice A the correct match. It enables devices to communicate efficiently in a home automation setup.

Task 1: Matching Exercise (5 marks) Match the technology with its correct description. Which description best matches PIR Sensor?

• A. A low-power wireless protocol for smart home mesh networks

• B. Uses laser pulses to create 3D maps of surroundings

• C. Detects heat signatures to trigger motion alerts

• D. AI that interprets and analyses images from cameras

• E. Combining data from multiple sensor types for accuracy

Answer explanation

The PIR Sensor is designed to detect heat signatures from moving objects, such as people or animals, which triggers motion alerts. Therefore, the best match is C.

Task 1: Matching Exercise (5 marks) Match the technology with its correct description. Which description best matches Sensor Fusion?

• A. A low-power wireless protocol for smart home mesh networks

• B. Uses laser pulses to create 3D maps of surroundings

• C. Detects heat signatures to trigger motion alerts

• D. AI that interprets and analyses images from cameras

• E. Combining data from multiple sensor types for accuracy

Answer explanation

Sensor Fusion refers to the process of combining data from multiple sensor types to improve accuracy and reliability, making choice E the best match.

Task 2: Fill in the Blanks (5 marks) Complete each sentence using words from the word bank. Word Bank: geolocation | edge computing | radar | two-way audio | virtual cart. Amazon Go uses a (a)   to track items customers pick up.

Answer explanation

Amazon Go uses a virtual cart to track items customers pick up, allowing for a seamless shopping experience without traditional checkout lines.

Task 2: Fill in the Blanks (5 marks) Complete each sentence using words from the word bank. Word Bank: geolocation | edge computing | radar | two-way audio | virtual cart. Waymo vehicles use (a)   to detect objects in poor weather.

Answer explanation

Waymo vehicles use radar to detect objects in poor weather conditions, as radar technology is effective in such environments, unlike other options in the word bank.

Task 2: Fill in the Blanks (5 marks) Complete each sentence using words from the word bank. Word Bank: geolocation | edge computing | radar | two-way audio | virtual cart. Hive can use (a)   to adjust heating when you leave home.

Answer explanation

The correct choice is 'geolocation' because it allows Hive to determine your location and adjust heating accordingly when you leave home, optimizing energy use.

Task 2: Fill in the Blanks (5 marks) Complete each sentence using words from the word bank. Word Bank: geolocation | edge computing | radar | two-way audio | virtual cart. Ring doorbells allow communication with visitors through (a)   .

Answer explanation

Ring doorbells enable communication with visitors using 'two-way audio', allowing users to speak and listen in real-time, making it the correct choice from the word bank.

Task 2: Fill in the Blanks (5 marks) Complete each sentence using words from the word bank. Word Bank: geolocation | edge computing | radar | two-way audio | virtual cart. Amazon Go processes data locally using (a)   for real-time tracking.

Answer explanation

Amazon Go uses edge computing to process data locally, enabling real-time tracking of items in the store. This technology allows for quick data analysis and response, making it essential for the store's operations.