When using serial port communication on the stm32 development board, the following error is displayed after compiling the program. ..\USART.axf: Error: L6218E: Undefined symbol __vfscanf_char_file (re...
I recently disassembled a thermal imaging camera from BMW. The FPGA inside is ALTERA's EP3C25U256A7N. I want to try to reverse engineer the PCB and directly develop on this FPGA. The PCB seems to have...
"3.3.2 SysTick" in the article "How to upgrade from STM32F10xxx firmware library V2.0.3 to STM32F10xxx standard peripheral library V3.0.0" says:The SysTick driver has been removed from the standard pe...
I used DDK to make a USB driver, which can communicate normally. But when writing to Pipe1 port in a loop, the driver stops responding after several times. When debugging, I found that it stops at sta...
I have played with DSP and M4 before, but I don't know how to transfer to FPGA. I can't even understand the schematic diagram... Why does an FPGA have to be divided into so many modules......
I have the hardware circuit diagram, and I need the program, which can be written in assembly or C language. Please help me, if you are interested, please contact QQ: 226600569. Very urgent! QQ online...
TD-SCDMA (Time Division Synchronous Code Division Multiple Access) is one of the three major standards for the third generation of mobile communications. It is a communication standard with indepen...[Details]
In the early 1990s, portable phones were all the rage. With the rapid development of electronic technology, today's mobile phones can not only send emails and text messages, but also take photos, ch...[Details]
Digital signal processors have efficient numerical computing capabilities and can provide a good development environment, while programmable logic devices have highly flexible configurability. This...[Details]
Medical and industrial applications often require isolation voltages of 2500Vac or higher for patient and equipment operator safety. The isolation barrier must not only transmit power to the sensin...[Details]
The role of digital-to-analog converters
Real-world analog signals, such as temperature, pressure, sound, or images, are constantly being converted into digital form that is easier to store, p...[Details]
Overview
PS pressure sensor is an electronic pressure sensor made of semiconductor diaphragm structure. It can convert the physical quantity of air pressure into electrical signals and detect ...[Details]
Keeping the heart environment compact and warm is beneficial in most cases, but it’s another story for electronic heart scanners. When GE Healthcare was designing a scanner that was said to be the fas...[Details]
Introduction
The market for wireless telemetry products is developing rapidly. Recently, the industry has also set off a revolution in wireless applications. Wireless telemetry technol...[Details]
Overview
Bioelectric signals are very weak, and there is strong interference when detecting them. Therefore, there are many technical difficulties in designing high-quality bioelectric ampli...[Details]
The 21st century is the century of life and health. The rapid progress of life sciences continues to promote human understanding of their own health and diseases. How to develop innovative medical ele...[Details]
With the development of automatic control technology, the application of precision air pressure generation and control technology is becoming more and more extensive. However, the traditional valve...[Details]
As a single-host multi-slave bus system, the number of slave devices that can be connected to a 1-Wire bus is almost unlimited. In order to avoid logical conflicts, the 1-Wire bus interfaces of all...[Details]
In some warehousing management, manufacturing, meteorological observation, scientific research and daily life, the requirements for temperature and humidity are common. For example, the "Interim Pr...[Details]
With the rapid development of computer technology, embedded image systems are widely used in office equipment, manufacturing and process design, medical, monitoring, sanitary equipment, transportat...[Details]
As the price of readers and tags decreases and the global market expands, the application of radio frequency identification (RFID) is increasing day by day. Tags can be powered by readers (passive ...[Details]