uchar keyscan() {uchar cord_h,cord_l;P1=0xf0;if(P1!=0xf0){delayms(10);if(P1!=0xf0){cord_h=P10xf0;P1=cord_h|0x0f;cord_l=P10x0f;while((P10x0f)!=0x0f);return (cord_h+cord_l);}}return(0xff); } It is wrong...
Share a super nice and shocking epic background music, super shocking! "Victory - Two Steps From Hell" Baidu Cloud online listening or download: [img]file:///C:\Users\ADMINI~1\AppData\Local\Temp\[5UQ[...
One-button multi-function simplified designMainly to achieve one-click multi-function, familiar with C language instructions!
The program function is to control the on and off of ten lights separately...
I would like to ask the experts, what kind of control should be used to design the file dir interface of the form: /windows/my music/xxx.mp3, especially what control should be used for the two lines x...
As the number of cars increases, environmental pressures are also increasing. At this time, some people are saying that new energy vehicles are energy-efficient and environmentally friendly, and ar...[Details]
Coal mines typically contain gas and coal dust. When gas and coal dust reach a certain concentration, they can cause explosions. Electrical equipment generates arcs during normal operation or durin...[Details]
Bosch has released a new SoC series to support L2+ advanced driver assistance functions. The chip integrates high resolution and long-range detection capabilities, and has built-in support for neur...[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]
Motor potting compound is a high-performance sealing material widely used for motor encapsulation and insulation. It is essential for motor protection and packaging. Its ideal moisture and water re...[Details]
Electronic scales are a product of modern electronics development. Due to their simplicity, convenience, and high precision, they are widely used in various fields of industry and daily life. Based...[Details]
Electronics Fan Network reported that on August 6th, Shanghai Fourier Co., Ltd. officially launched the GR-3, the third-generation intelligent humanoid Care-bot in its GRx series, in Beijing. This ...[Details]
Preface
In recent years, the quadcopter market has become increasingly popular, and everyone has been exposed to them in various ways. Aerial photography applications using quadcopters ...[Details]
4. Strict security management
(1) Strictly set personnel operation permissions
The permissions of each user should be strictly assigned according to actual needs. The principle of permi...[Details]
Once the half-year data on power batteries came out, the situation became clearer.
According to the latest data from South Korean research firm SNE Research, global installed capacity of...[Details]
Shanghai, China –
MR Reinhausen Group (MR), a global expert in transformer control, recently welcomed a special "family member" to its Shanghai headquarters: 25-year-old He Qin and her newlywed...[Details]
On August 8, AB Dynamics launched ClearTrack, a fully integrated object detection system for testing unmanned robot-controlled vehicles. The system was jointly developed with its sister company ABD...[Details]
Network video surveillance breaks through geographical limitations and enables remote monitoring. However, with the emergence of concepts such as "AnyTime, AnyWhere, AnyDevice" (any time, any p...[Details]
With the rapid development of high-frequency technologies such as 5G communications, satellite navigation, and radar detection, filters, as core signal processing components, have a direct impact o...[Details]
The Gasgoo Automotive Research Institute's ADAS supplier installation volume ranking from January to June 2025 shows that China's passenger car ADAS core components market has shown a highly concen...[Details]
Embedded System
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