I just started using evc, and I have a question: Why does the setwindowpos function not work when it is placed in the oncreate function in evc, but works when it is placed in the oninit function? I wr...
[size=4][color=#000000]Thanks to the netizen [/color][color=#ff0000][b]@qwerghf[/b][/color][color=#000000] for donating 26 development boards to the EEWORLD forum's development board mobile station at...
例子：Altera-SoCFPGA-HardwareLib-GNUALT_STATUS_CODE test_config_full(void)
{// Verify the MSELs are appropriate for the type of image we're using.ALT_FPGA_CFG_MODE_t mode = alt_fpga_cfg_mode_get();switch...
With the development of sensor technology, embedded technology, distributed information processing technology and wireless communication technology, wireless sensor networks (WSNs) composed of a large...
[E-questions and answers on device purchase, lucky grab] 3 - What should I do if the purchased components are not in the same package as the PCB? https://bbs.eeworld.com.cn/thread-219046-1-1.htmlWinne...
I used vivi's load flash wince u command to burn wince to the flash on the board. Several errors occurred during the formatting, and then the formatting was completed normally. When I just burned winc...
Flip-chip and ball grid array (BGA) are two widely used packaging technologies in the electronics industry. Each has its own advantages and limitations, and in some cases, they can complement each ...[Details]
Some time ago, I attended the 4th Energy Chemistry Forum of the Chinese Chemical Society and learned about high-energy-density and high-safety batteries. I would like to summarize and share this wi...[Details]
Long ago, the lifespan of cars in my country was 15 years. Once a car reached 15 years old, it was forced to be scrapped. However, the policy was later changed. As long as the car does not exceed 6...[Details]
In recent years, with the application of the IEC61850 standard and the development and deployment of optoelectronic transformers, the concept of digital substations has been put into practical use ...[Details]
According to foreign media reports, BMW has just been granted a patent for a screen that could cover the entire roof. BMW hopes to transform at least a portion of the vehicle's headliner into a dis...[Details]
Laird Thermal Systems has introduced the HiTemp ET series Peltier cooler modules, which can operate at high temperatures and provide on-site cooling for sensitive electronic devices.
Dig...[Details]
Through AI connection technology supported by Qualcomm X85 5G modem and RF and Qualcomm FastConnect 7900 mobile connection system, seamless switching can be achieved between cellular net...[Details]
With the increasing popularity of automated equipment, linear modules, a common auxiliary device for automated equipment, have also seen a bright future. In particular, in recent years, many small ...[Details]
Most cameras on the market use chips manufactured by Japanese companies like Sony, Sharp, Panasonic, and LG. South Korea now has the capability to produce chips, but the quality is somewhat inferio...[Details]
introduction
A common voltage regulator is a three-terminal one. Its function is to step down the voltage and stabilize it at a fixed output value. Voltage regulators are commonly available in...[Details]
The Waveshare ESP32-P4-ETH is a compact ESP32-P4 development board with Ethernet and PoE support. It looks very similar to the Olimex ESP32-P4-DevKit, minus the pUEXT connector. However, we've also...[Details]
The automotive driveshaft is a crucial connecting component in the automotive mechanical system. It is a circular component that allows for connection or assembly, as well as movement and rotation....[Details]
The drive shaft is a high-speed, low-support rotating body, so its dynamic balance is crucial. Generally, drive shafts undergo dynamic balancing tests and adjustments on a balancing machine before ...[Details]
Anyone who has driven a pure electric vehicle will find that it starts much faster than a fuel vehicle. So why do pure electric vehicles start so quickly?
We all know that an engine's to...[Details]
With the rapid development of the automotive industry, automotive requirements for control, communication, and network management are becoming increasingly stringent. Hardware platforms based on 32...[Details]
Embedded System
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