JSON (JavaScript Object Notation)

JSON (JavaScript Object Notation) is a lightweight, text-based data interchange format that is easy for humans to read and write and easy for machines to parse and generate. It is based on a subset of the JavaScript programming language and is used to represent structured data using name–value pairs and ordered lists.

Purpose of JSON

  • Data exchange between devices (e.g., controller ↔ computer)
  • Communication between server and client (APIs)
  • Storage of configuration settings and parameters
  • Logging and recording measurement results

Advantages of Using JSON

  • Simplicity and readability: Data is easy for humans to read and understand
  • Universality: Supported by almost all programming languages (C++, Python, Java, LabVIEW, etc.)
  • Compactness: More lightweight compared to XML
  • Structured format: Allows clear organization of complex data (arrays, nested objects)
  • Ease of processing: Fast to parse and handle in software application

Example

{
	"TimeStamp": "2025-06-16 21:32:17",
	"Sensors": [
		{
			"Model": "DS18B20",
			"Temperature": 27.56
		},
		{
			"Model": "DS18B20",
			"Temperature": 26.62
		}
	]
}

Key properties of JSON

Property Description
Text plain text (can be transmitted via COM, TCP, or saved to a file)
Structured nested objects and arrays
Universal supported by almost all programming languages (Python, C++, LabVIEW, etc.)
Lightweight more compact than XML

Summary

JSON is a modern standard for data representation that provides a simple, reliable, and efficient way to exchange information between systems.


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04/25/1874
date of birth
Marconi, Guglielmo

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