#A magical BUG occurred when linux used ITIMER_REAL and ITIMER_VIRTUAL timers at the same time ##A brief introduction to Linux timers ITIMER_REAL timer will send a SIGALRM signal every time the timing...
Currently, WiFi, 3G/4G cellular networks and related technologies are well-used in various fields. Each of us and the increasing number of Internet of Things (IoT) devices are using these technologies...
At 10 o'clock today, the "Focus on Speech Recognition Core Technology: Microchip Timberwolf Audio Processor Online Seminar" officially started. If you want to watch it, please click here to register a...
Hi, friends, hello everyone~ Recently, many development boards have been launched~~ The managers are busy making pages and preparing materials~~~ La la la~~ Everyone, when you visit the forum every da...
The printf() function can directly format the output to the window, which greatly facilitates our debugging of the program. However, in the Keil MDK environment, directly using the printf() function ...[Details]
What is oscilloscope triggering? Since signals are changing all the time, if we display them all on the oscilloscope, it will be very messy and we can't see clearly at all, so we can't observe the si...[Details]
introduction In the process of film interpretation, it is often required to count the number of negatives and automatically locate the negatives at different positions to facilitate searching and mag...[Details]
1. Configuration of TIA Portal A
Create a new project in the TIA Portal software. In this case, S7-300 is selected, and its model is 313C-2DP. This PLC is an integrated PLC with its own PROFIB...[Details]
On June 2, NXP Semiconductors announced that it will use TSMC's advanced 16nm FinFET process technology to mass-produce the S32G2 in-vehicle network processor and S32R294 radar processor. As cars c...[Details]
On December 22, OFILM (002456.SZ) hit the intraday daily limit at 9.69 yuan. The share price hit a new high since March this year, and the latest market value is 31.6 billion yuan. On December 21, ...[Details]
This article has three topics: FSMC configuration, a string of characters display principle, Chinese character display principle. . Let's get to the point. 1. FSMC configuration (the blogger uses FSM...[Details]
//The idea of the single-chip system printer program is as follows:
// Printing specification (16×16 dot matrix), the printer executes the microcontroller n-dot paper moving instruction: 0x1B-0x...[Details]
For FLASH memory microcontrollers, you can develop programs quickly and easily without an emulator. You can start from the following aspects: 1. Try to use high-level languages to develop system pr...[Details]
We often hear hardware engineers around us mention the topic of signal integrity. So what exactly does signal integrity mean? Signal integrity (SI) refers to the signal quality on the signal line...[Details]
When receiving data, if it exceeds a certain time, it is considered an error. Is this timeout calculated by the microcontroller itself? The timeout is set by the programmer, and he can set it as long...[Details]
News Highlights ● ART uses NXP’s i.MX 8QuadMax to design the ARTIST 8 development platform to create an ultra-intuitive infotainment system for luxury sports cars known for speed, power and indivi...[Details]
19264 LCD is a monochrome LCD that is slightly larger than 12864. Here I will introduce the principle of driving it with a single-chip microcomputer.
Circuit Diagram
Simulation diagram
Actu...[Details]
Intelligence and lightweight have become the development direction of the future automobile industry, and advanced automotive materials have become an important part of it and a hot topic of concer...[Details]