1. Comparison of Communication Speeds: SPI, I2C, UART SPI > I2C > UART 1. Synchronous communication > Asynchronous communication; 2. In synchronous communication, a clock line must connect both ends of the transmission; 3. All are serial communication methods, while parallel communication is used for internal storage communication, such as flash; 4. The suitable transmission … Read more
Today, we will explore a very basic yet extremely powerful “magic spell” in C language – the <span>while</span> statement. It allows your program to repeatedly execute certain tasks, greatly improving efficiency, making it a “time machine” in the programming world! 1. What is the <span>while</span> statement? Imagine you are playing a game where you need … Read more
Based on the experiences of many microcontroller programming experts online, today I will summarize 10 tips for programming the 51 microcontroller. 1. Do not define too many variables. The lower 128 bytes are the storage area for user-defined variables (by default), and while variables can also be placed in the upper 128 bytes, it is … Read more
In embedded systems,the core of a microcontroller (MCU) — the core (Core) determines the performance boundaries, power consumption characteristics, and software ecosystem of the entire platform. The current mainstream microcontroller architectures are represented by ARM and RISC-V, one being the cornerstone of the mature industrial sector, and the other being the pioneer of the open-source … Read more
On May 28, the Guangdong Province Artificial Intelligence and Robotics Industry Innovation Products and Services Release Conference (Zhuhai Session) and the Zhuhai Cloud Smart City Industry Development Conference were held in Zhuhai. The venue featured an exhibition area for innovative products and services in artificial intelligence and robotics, showcasing 108 innovative products and services including … Read more
Recently, the OpenHarmony Developer Conference 2025 (OHDC.2025, hereinafter referred to as “the Conference”) was held in Shenzhen. The Conference officially released the open-source HarmonyOS 5.1 Release version, held ceremonies for the “OpenHarmony Application Technology Component Co-construction Launch” and “OpenHarmony AI Agent Technology Co-construction Launch,” and established eight major thematic sub-forums, inviting experts in open-source operating … Read more
Overclocking is a term that usually appears in powerful gaming laptops or high-end desktop computers. In the field of compact embedded single board computers, overclocking seems to be a niche term. However, there is always a group of computer enthusiasts who enjoy tinkering with their ideas on some open-source hardware and sharing their achievements. Today, … Read more
1. FreeRTOS Multitasking Architecture 1.1 Overview of Task Model As a lightweight real-time operating system, the core of FreeRTOS is its multitasking capability. In FreeRTOS, applications are organized as a set of independent tasks, each executing in its own context (such as a separate stack space) without dependencies on each other. Each task can be … Read more
▼ Click the card below to follow me ▲ Click the card above to follow me MicroPython: The Mini Power of Embedded Systems Is Python getting slim? That’s right, MicroPython is here to do just that. The originally large Python has transformed, putting on a slim suit and fitting into various compact hardware. What is … Read more
