Follow and star the official account,so you won’t miss out on exciting content. Source: Huawei Developer Community Edited by: strongerHuang In recent years, the rapid development of the Internet of Things (IoT) has been felt by everyone. It is well known that the underlying boards (or development boards) are the smart devices in the perception … Read more
Seeing that the number 9 in ARM9 is larger, do you think it is better? Seeing that a lot of information is based on S3C2410, do you think it is still quite popular now? If we could turn back time 10 years, ARM9 and S3C2410 were indeed quite popular. Why do I say this? Because … Read more
Follow our official account, and never miss exciting content. Compiled by: Engineer Huang Reference: Wikipedia Reference link: https://en.wikipedia.org/wiki/ARM_architecture Everyone should know that STM32, Cortex-M3, and ARMv8-M are related to ARM, but may not be clear about their relationships or what they specifically are. 1. Overview ARMv8-M: is an ARM architecture. ARM architectures are divided into: … Read more
Bit-banding operations may not be used as much now, but in the past, when MCU performance was not very good, bit-banding operations were a common operation among many software engineers. This article mainly discusses the Cortex-M3 core (STM32F1), and I believe many friends have been confused when they first learned about it. 1About Bit-Banding Operations … Read more
Which is more powerful, Arduino or STM32? Many electronics enthusiasts face a dilemma when choosing between Arduino and STM32, unsure of which to use. Arduino has always been popular, but STM32 has more interfaces, stronger performance, and faster speeds? Features of Arduino and STM32 Arduino: Arduino leans towards creativity, simplifying hardware operations. Its functions and … Read more
1. From Polling to Interrupt Many students prefer polling over interrupt-driven operations. Is this related to our nature? Everyone likes to have everything under control and dislikes being interrupted. We often have experiences where we are talking to someone and suddenly receive a phone call, and after the call, we can’t remember what we were … Read more
[Test Results] The RTC clock of the TOOL has always been manually calibrated via the host computer. This time, an experiment was conducted without any calibration for half a year to observe the results. The test started on September 29 last year.As of April 5 this year, it was fast by 13 minutes.[Causes of Error] … Read more
What is trending recently? I think ChatGPT must be one of them. How popular can this be? I always thought it was only popular in the internet and technology fields, until recently when our local government’s official account and even the community were posting content related to ChatGPT… I then realized that the extent of … Read more
There has been a rumor circulating: The hardware I2C design of STM32 has a bug, and it is better not to use it; using software I2C is more reliable. For a long time, to avoid unnecessary trouble, I have not used hardware I2C, mainly because software I2C is also quite convenient, and can be used … Read more
Your device connects to the other device. If it can automatically detect the baud rate without knowing the other party’s serial port baud rate, wouldn’t it be very convenient? 1 Overview Regarding the issue of automatic detection of UART serial port baud rate, those with project experience or who have studied serial communication should know … Read more