Click the blue text to follow us The summary of embedded system knowledge points (taking the STM32L431 chip as an example) is divided into the following main modules: basic concepts of embedded systems, components of embedded products centered around MCUs, internal hardware modules of MCUs, commonly used assembly data operation instructions, specific processes of embedded … Read more
In embedded system development, AT commands are widely used to control peripheral modules such as cellular communication modules, Wi-Fi modules, and Bluetooth devices due to their simple structure, strong readability, and ease of debugging. As system complexity increases, traditional synchronous blocking AT command processing methods can no longer meet the real-time demands of multitasking and … Read more
Programmer Headquarters 🔰 Founded by Byte’s big shots, a well-known blogger in the IT industry, gathering 200,000 programmers. Click to follow, and let’s progress together ▶▶ In 1989, a “thinking” house appeared on the streets of Tokyo. This house was equipped with thousands of sensors, capable of automatically adjusting lights, opening and closing windows, watering … Read more
Recently, while debugging the display issues in OpenHarmony, the cause was identified as the hardware being connected via HDMI to an RK628 adapter, which in turn connects to an LVDS display. The display panel implementation in OpenHarmony is relatively simple, directly using a DSI panel. Therefore, it is necessary to thoroughly organize the relevant drivers … Read more
Author:Peng Zhao (Founder of Zhici Fang and Co-founder of Yunhe Capital)IoT Think Tank Original This is my 376th column article. We seem to be on the verge of a scene where, on a certain night, a drone is buzzing in the sky, its camera precisely locking onto the mechanical vibration anomalies of the main control … Read more
Three new modules from Hezhao: Air780EHM, Air780EHV, Air780EGH offer features such as abundant resources, comprehensive audio capabilities, and integrated communication and positioning, providing a new low-power solution for industry applications. Engineers in the community often ask: When will there be supporting boards available? The previous Air780EPM development board was too large; we want something smaller! … Read more
Wireless Technologies Wireless Technologies 1. RF (Radio Frequency), such as RF433, RF315RF technology introduction: RF is the abbreviation for Radio Frequency. The dictionary definition of Radio is: n. radio communication, radio receiving device, radio broadcasting equipment; v. to send via radio. The dictionary definition of Frequency is: n. frequency, periodicity, occurrence count. In electronic theory, … Read more
　 When it comes to delicious food, every “foodie” gets excited. Especially with the recent trend of “custom-made home-cooked meals,” many people are eager to try their hand at becoming culinary “gods.” In their view, homemade foods that are “pure, natural, and additive-free” are the ultimate comfort for the soul. Recently, reporters from Guangzhou Medical … Read more
From familiar foods like pickles, cured meats, and medicinal wines to soy milk, yogurt, cookies, and the trendy homemade wines and fruit enzymes, fashionable homemade foods have entered people’s lives. As the season brings a variety of ingredients, many homemade food enthusiasts are eager to try their hand again. But is homemade food really safe? … Read more
(This article is translated from Semiconductor Engineering) There is an increasing discussion in the industry about the many benefits of the RISC-V architecture, but is it really the right starting point? While it is not without flaws, it may offer the flexibility needed for gradual progress. The development of computer architecture and software has followed … Read more