JSON for human-readable data in IOT Protocols - Mini Project: Build & Apply

JSON for human-readable data

📖 Scenario: You are working with IoT devices that send data in JSON format. You want to create a simple JSON object to represent sensor readings in a way that is easy for humans to read and understand.

🎯 Goal: Create a JSON object that holds sensor data with clear keys and values. Then add a configuration setting for the sensor type, extract the temperature readings, and finally display the temperature data.

📋 What You'll Learn

Create a JSON object named sensor_data with exact keys and values

Add a variable sensor_type with the exact string value

Extract temperature readings into a list named temperatures

Print the temperatures list exactly as shown

💡 Why This Matters

🌍 Real World

IoT devices often send data in JSON format. Understanding how to create and read JSON data helps you work with these devices and their data easily.

💼 Career

Many DevOps and IoT jobs require handling JSON data for monitoring and managing devices. This project builds foundational skills for those tasks.

1

Create the initial JSON data

Create a dictionary called sensor_data with these exact entries: "device": "sensor_01", "readings": [22.5, 23.0, 22.8], "unit": "Celsius"

IOT Protocols

# Create the sensor_data dictionary with device, readings, and unit keys
# Your code here

Need a hint?

Use curly braces to create a dictionary. The readings value is a list of numbers.

2

Add sensor type configuration

Add a variable called sensor_type and set it to the string "temperature"

IOT Protocols

sensor_data = {"device": "sensor_01", "readings": [22.5, 23.0, 22.8], "unit": "Celsius"}
# Add sensor_type variable below
# Your code here

Need a hint?

Use an equals sign to assign the string value to sensor_type.

3

Extract temperature readings

Create a list called temperatures that contains the values from sensor_data["readings"]

IOT Protocols

sensor_data = {"device": "sensor_01", "readings": [22.5, 23.0, 22.8], "unit": "Celsius"}
sensor_type = "temperature"
# Extract readings into temperatures list
# Your code here

Need a hint?

Use square brackets to access the readings key in sensor_data.

4

Display the temperature readings

Write a print statement to display the temperatures list exactly as it is

IOT Protocols

sensor_data = {"device": "sensor_01", "readings": [22.5, 23.0, 22.8], "unit": "Celsius"}
sensor_type = "temperature"
temperatures = sensor_data["readings"]
# Print the temperatures list
# Your code here

Need a hint?

Use print() with the variable temperatures inside the parentheses.