After the system is powered on, the PC prompts that the KEYBOARD cannot be found. Experts, please help me! Is there any problem with the main program written like this? void main() { BYTE RcvPc; //Tim...
I want to use a state machine to make a PWM motor speed control, and use one button to set two functions.A short press within 1S turns the motor on or off, and a long press adjusts the speed by PWM. W...
[p=24, null, left][color=#333333] Power supply is the foundation of a system, and a good power supply design is the premise for the stable operation of the system. In actual projects, the most commonl...
[color=#666666][font=Helvetica, Tahoma, Arial, sans-serif][size=12px]Related information about the 2015 e-sports competition. You won’t regret it if you don’t read it.[/size][/font][/color]...
The function is very simple, with only input and output, and basically no logic. Single-chip microcomputer module = barcode scanner (the gun is provided by us, and the single-chip microcomputer can su...
While
the solid-state battery
industry is still engaged in a long technological marathon for
the "ultimate solution" for
electric vehicles
, some companies have begun looking for mor...[Details]
As more and more consumers purchase new energy vehicles, the safety of electric vehicles has become a major concern. This has been particularly prominent following a series of electric vehicle fire...[Details]
According to foreign media reports, secondary battery materials company POSCO Future M announced that it has successfully developed two experimental (prototype) positive electrode materials for the...[Details]
This paper proposes a temperature real-time transmission and display solution based on LED optical data transmission, with Jingwei Yager low-power FPGA HR (Yellow River) series as the main controll...[Details]
Have you ever heard stories about "crazy appliances"? Think of microwaves that turn on automatically or ovens that preheat without any human input? With radios and electromagnetic interfaces ubiqui...[Details]
Electric vehicles are becoming increasingly popular, with increasingly longer ranges. There are two ways to charge electric vehicles: slow charging and fast charging. Which is the most suitable? Sl...[Details]
Consumer demand for premium listening experiences has driven rapid evolution in the wireless headphone market in recent years. Hybrid designs, which utilize two drivers per earbud to enhance sound ...[Details]
New version helps developers build secure and trustworthy embedded systems
Shanghai, China—August 21, 2025—
QNX, a division of BlackBerry Ltd., today announced the release of QNX...[Details]
Introduction: Traditionally, lead-acid batteries have primarily been used to provide backup power and power regulation based on location. In typical applications, the battery's actual use (discharg...[Details]
As the core of electric vehicles, batteries are concerned with vehicle use and maintenance. The operation of vehicles is guaranteed by the electricity generated by batteries. For batteries, battery...[Details]
introduction
Due to their flexibility and security, Java cards are increasingly being used in the smart card field. Once a Java card is released, if multiple applications need to call the same...[Details]
Wireless Communications
Ethernet protocol
Touch screen and 200Smart
In real-world systems, multiple PLCs are distributed throughout a single workshop, centrally controlled by a...[Details]
The World Conference (WC 2025) recently opened in Shanghai. This year's event, covering over 70,000 square meters for the first time, attracted over 800 exhibitors, showcasing large models, AI term...[Details]
LiDAR technology continues to improve how robots and autonomous systems perceive, react, and operate safely in a variety of environments. While the technology has been around for decades, recent ...[Details]
Motors and insulating varnish are inseparable. The composition and manufacturing technology of insulating varnish have been continuously updated and improved, driving the rapid development of motor...[Details]