Basic Principle of Dynamic Scanning The basic principle of dynamic scanning is to connect the same segments of all seven-segment displays in parallel, and to select the displayed digit by controlling the common terminal (digit selection) of each display.By outputting the corresponding codes to the segment selection lines through the microcontroller, and simultaneously activating the … Read more
1. Experiment Task Achieve the effect of sequentially lighting up LED lights to create a chaser effect.2. Experiment Principle When the anode of the LED is at a high level and the cathode is at a low level, the LED will light up; by connecting multiple LEDs to the output pins of the 51 microcontroller, … Read more
Understand these three programming tools from a practical perspective to make your embedded code more elegant and efficient! 🎯 Introduction: Why Learn to Use Them Together? Imagine you are managing a smart home system: • Structs are like a storage box that neatly organizes related items together. • Unions are like a transformer that can … Read more
When we first light up the LED on the development board, when the debugger finally captures that elusive timing error, and when the meticulously written driver runs smoothly on real hardware—the joy of that moment is a unique experience familiar to every embedded developer. I still remember starting to build embedded Linux system platforms in … Read more
✦ • ✦ 1. Why Learn This Course? In the learning path of computer science, assembly language and interface technology are often regarded as “hard nuts to crack”—they are close to the hardware level and conceptually abstract, presenting certain challenges for beginners. However, these two subjects can help us truly understand how computer systems operate. … Read more
The first step is to look at embedded issues from the perspective of PC programming; The second step is to learn to use embedded programming concepts; The third step is to combine PC and embedded thinking and apply it to real projects. Many friends transition from PC programming to embedded programming. In China, very few … Read more
01Introduction: The industrial-grade basic expansion MCU, based on the performance of APM32F030, achieves higher main frequency, lower power consumption, and more advanced analog and communication interfaces. It is also equipped with rich on-chip resources to meet the application upgrade needs of various industries, especially for cost-sensitive applications. It can be widely used in industrial control, … Read more
01Introduction: The HC32L196_L190 series is widely used in the following scenarios: IoT Devices: In IoT devices, the high performance and low power characteristics of the HC32L196_L190 series microcontrollers enable efficient operation over extended periods. Smart Home: In the smart home sector, microcontrollers can be used to control various appliances, such as air conditioning and lighting, … Read more
In the process of microcontroller programming, if a designer can master multiple programming languages simultaneously, then that designer is undoubtedly a very talented individual. However, mastering assembly, C, and C++ at the same time is quite challenging, and many beginners struggle significantly while learning even one of these languages. This article specifically compiles insights from … Read more
What Are the Differences Between Embedded Programming and PC Programming? In China, few friends in embedded programming have graduated from a formal computer science program; most come from automatic control or electronics-related majors.These individuals have strong practical experience but lack theoretical knowledge;many computer science graduates tend to work on online games, web pages, and other … Read more
