I'm adjusting the driver of enc28j60 recently. It was successfully driven on f103 board before. Now it is transplanted to f407. I changed the library of f407, spi interface function and pin definition...
Very happy to receive the board:Above:After taking a quick look at the data sheet, I found that there is not much difference with the same model of STM32:It seems that CAN and USB cannot be used at th...
Job Responsibilities:1. Responsible for component selection;2. Design hardware solutions and related hardware circuits, draw schematics and PCB designs according to product requirements;3. Debug circu...
(Please correct me if there are any mistakes, thank you)
The XINTF of 28335 is a parallel non-multiplexed asynchronous bus. Unlike 2812, zone7 is non-multiplexed, the data bus and address bus widths a...
I saw a step-down circuit of the LM3478 chip, but I don't understand the peripheral circuit of the chip, especially pin 1 (Isen). According to the datasheet, it should always be in short-circuit prote...
According to relevant statistics, there are more than 200 hydrogen fuel cell vehicles used for demonstration in China, with a cumulative mileage of more than 100,000 kilometers. As an alternative f...[Details]
Electromagnetic compatibility (EMC) refers to the ability of a device or system to operate in accordance with requirements in its electromagnetic environment and not to produce intolerable electromag...[Details]
1 Introduction
Some developing defects, especially internal defects of equipment, can only be discovered after the equipment heats up to a certain degree.
This will not only cause a corresponding d...[Details]
The S51 download cable software Easy 51Pro v2.0 written by netizen Nie Zhongqiang is simple to make and easy to use. It has a fast download speed and good stability. Thanks to Nie Zhongqiang and ...[Details]
When the fluid that fills the pipeline flows through the throttling device in the pipeline, the flow beam will form a local contraction at the throttling device, thereby increasing the flow rate and ...[Details]
IT Home reported on May 3 that according to the Beijing Dongcheng Court, the Beijing Dongcheng District People's Court recently made a judgment on the unfair competition case between Shenzhen Tencent...[Details]
As Cree sells its lighting business, CEO Gregg Lowe recently gave an exclusive interview to Compound Semiconductor, interpreting the company's future direction. On March 15, CREE announced the ex...[Details]
As a microwave level meter, radar level meter is widely used in liquid level measurement in the industrial field. In order to enable instrument users to better understand and know radar level meter...[Details]
As of November 1, the third quarterly reports of major chip design companies in the A-share market have been released. Although the performance of each company is different in terms of performance, t...[Details]
The previous article mainly focused on data structures related to specific systems, and left a question at the end: So, how do these data structures work? In particular, how does the ARM-Linux kern...[Details]
Background: Autonomous positioning and navigation
As shown in the figure, the robot's autonomous positioning and navigation technology includes two parts: localization and mapping (S...[Details]
This is a low noise and distortion preamplifier and tone control circuit in a module. Using a special IC TDA1524A, this simple circuit is easy to build and can drive most of the power amplifiers.
...[Details]
In the application of oscilloscopes, except for some RF or high-speed digital applications where cables are used for direct measurement, many debugging tasks on boards are completed with the help of ...[Details]
In the R&D, design, production and application of automotive parts, product testing and verification is an extremely important part. Verification tests are commonly used in the basic research, techno...[Details]
Industrial control machines are very important equipment in the field of industrial automation, and they play a key role in various industrial production processes.
PLC (Programmable Logi...[Details]