Learning PLC programming is most satisfying when you can implement the “light flashing logic”! Today, we will break down the tower flashing light case, from requirement analysis to program writing, guiding you step by step to achieve it, even beginners can follow along~ 1. Requirement Analysis: How Does the Light Flash? Clarify the Steps First … Read more
In daily development, everyone is familiar with status codes like 200 for success, 404 for not found, and 500 for server errors. However, HTTP actually defines dozens of status codes, many of which are very useful yet often overlooked. Some can solve practical problems, some have interesting stories, and others can make your API design … Read more
Concepts and Types of Macro Nesting Macro nesting is a powerful code generation technique in assembly language, mainly divided into two forms: Macro Call Nesting: Calling other defined macros within the body of a macro definition Macro Definition Nesting: Defining new macros within the body of a macro definition 1. Macro Call Nesting Technical Features … Read more
Debugging Tools // Example code snippet for demonstration #include <stdio.h> int main() { printf("Hello, World!\n"); return 0; }</stdio.h> In this article, we will explore the usage of gdb in the C language and share some effective debugging techniques. Debugging is an essential part of the development process, allowing developers to identify and fix issues in … Read more
Click the blue text Follow us 1. Introduction to I2C The I2C communication protocol (Inter-Integrated Circuit) was developed by Philips. Due to its fewer pins, simple hardware implementation, and strong scalability, it does not require external transceivers for communication protocols like USART or CAN, and is now widely used for communication between multiple integrated circuits … Read more