Smart Trash Can PCBA: Automatic Opening and Closing, Waste Monitoring

Smart Trash Can PCBA: Automatic Opening and Closing, Waste Monitoring

Case IntroductionSmart Trash Can PCBAFunction Introduction1. Automatic Opening and Closing Function Infrared Sensing: Detects the proximity of a person or object using an infrared sensor, automatically opening the trash can lid. Touch Button: Supports touch button operation, allowing users to perform different functions such as opening the lid or automatic packing through short or long … Read more

Siemens PLC Implementation for Industrial IoT Data Acquisition

Siemens PLC Implementation for Industrial IoT Data Acquisition

Industrial IoT Data Acquisition is a core technology for smart factories, enabling Siemens PLC to achieve production transparency and intelligent decision-making, helping enterprises reduce costs and increase efficiency. 1. Communication Network Architecture 1.1. Fieldbus Selection In the Siemens PLC environment, the choice of communication network directly affects the stability and response speed of the system. … Read more

Design and Implementation of PLC Control System for High and Low Temperature Shock Testing

Design and Implementation of PLC Control System for High and Low Temperature Shock Testing

High and low temperature shock testing is a key step in product reliability verification. Implementing automation control through Siemens PLC can significantly enhance testing accuracy and efficiency. 1. Hardware Configuration Selection of PLC and Expansion Modules Based on the control requirements of the high and low temperature shock testing system, the Siemens S7-1200 series PLC … Read more

What is a Time Series Database (TSDB)? Why is it Essential for the Internet of Things?

What is a Time Series Database (TSDB)? Why is it Essential for the Internet of Things?

In daily life, you often encounter various types of data related to “time”, such as: • A sensor records temperature every 10 seconds • The stock market updates prices every minute • A server generates hundreds of performance metrics every second These data points share a common characteristic: they are generated in chronological order, and … Read more

Gateways in the Internet of Things (IoT): An Indispensable Core Component

Gateways in the Internet of Things (IoT): An Indispensable Core Component

The IoT gateway is a core component of IoT systems, responsible for protocol conversion, data aggregation and preprocessing, edge computing, security assurance, device management and monitoring, data forwarding, cross-domain interconnection, network management and load balancing, energy management, redundancy and fault tolerance, local interaction, multi-tenant support, and intelligent prediction. It not only breaks down communication barriers … Read more

Unlocking AI Potential: Arm Computing Platform Builds the Future of Computing and Storage

Unlocking AI Potential: Arm Computing Platform Builds the Future of Computing and Storage

Currently, we are at the early stages of an exciting transformation in artificial intelligence (AI) technology. With the accelerated evolution of natural language processing, multimodal large models, and generative AI technologies, AI is reshaping various industries at an unprecedented pace. According to IDC’s forecast, the global data volume is expected to grow from 159.2ZB in … Read more

Practical Operations for Nested Structures and Unions in Embedded C Programming

Practical Operations for Nested Structures and Unions in Embedded C Programming

Content Structures and unions are composite types in the C language, and we often use structures. However, some beginners may not use unions frequently and may even feel unfamiliar with them. Let’s take a brief look at unions: The keyword for defining a union in C is union. The general form for defining a union … Read more

Advanced Embedded Programming: Completely Solving Data Loss Caused by Communication Data Overwrite – Ring Buffer

Advanced Embedded Programming: Completely Solving Data Loss Caused by Communication Data Overwrite - Ring Buffer

01Introduction The Ring Buffer (also known as Circular Buffer) is a data structure used to efficiently store and manage data within a fixed-size array. It is particularly suitable for scenarios that require continuous reading and writing of data, such as audio processing, network communication, and real-time data stream processing. Below are the basic concepts, implementation … Read more

A Beginner’s Guide to C++: Implementing Excel-Style Data Grouping Functionality

A Beginner's Guide to C++: Implementing Excel-Style Data Grouping Functionality

Hello everyone! Today, I will guide you through implementing a very useful data grouping feature in C++ similar to that in Excel. 1. Basic Features of Excel’s Grouping Function The grouping function in Excel has three main features: Hierarchical Structure: Allows for the creation of multi-level groups Expand/Collapse: Toggle the display of details at any … Read more

Advanced Usage of fprintf and fscanf for Appending and Reading Files in C

Advanced Usage of fprintf and fscanf for Appending and Reading Files in C

Advanced Usage of fprintf and fscanf for Appending and Reading Files in C In C programming, file operations are a very important part. Through files, we can persistently store data and also read data from them. In this article, we will focus on how to use <span>fprintf</span> and <span>fscanf</span> functions for appending and reading files. … Read more