The for loop takes the return value of Key_scan() 6 times [code]for(i=0;i<6;i++) { secret[i]=Key_scan(); delayms(200); }/code] Matrix keyboard scan function [ code]uchar Key_scan() { unsigned int temp...
I have an ARM development board with zImage and ramdisk file system already written. I want to boot the system through the network without erasing zImage and RAMDISK in the original flash (both zImage...
When wiring, we often need to do special routing processing for some signal lines. This requires referring to the schematic diagram while wiring. In protel99, that is a very painful thing. In Altium D...
After a whole afternoon of hard work, I finally adjusted the DAC of LPC1549. It is a 12-bit deAD with only one channel. Although I have the example code, the original version is as follows: int main(v...
The intelligent driving community has its own rhythm. Some are busy pushing new versions and focusing on R&D, others are busy with publicity and promotion, and still others are immersed in mass pro...[Details]
ISP devices, such as field programmable devices (FPGAs and CPLDs), do not require a programmer. Using programming kits provided by the device manufacturer, they employ a top-down modular design app...[Details]
New energy vehicles are increasingly popular with consumers due to policies and energy conservation. Once you've purchased your vehicle, maintenance is essential. However, due to the different powe...[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]
The digital TV set-top box consists of a tuner, QAM demodulator, TS demultiplexer, MPEG-2 decoder, PAUNTSC video encoder, embedded CPU system and peripheral interfaces, CA module, and uplink data m...[Details]
As the power density of modern electronic systems continues to increase, effective thermal management has become critical to ensuring system performance, reliability, and longevity—especially in hi...[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]
According to the latest financial report data, thanks to its leading position in advanced technology, TSMC's profit performance in the second quarter of 2025 was extremely impressive, with net prof...[Details]
introduction
Commercial air conditioner PCBs involve both high-voltage and low-voltage power. The power supply for commercial air conditioners often passes through the controller. This forces ...[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]
On August 18, according to a report by Xinbang, China's leading EDA company HuaDa JiuTian will launch this month (August 2025) China's only full-process storage EDA solution that can support ultra-...[Details]
Recently, Orbbec issued an announcement that its application for issuing A-shares to specific objects in 2025 has been accepted by the Shanghai Stock Exchange.
The announcement shows that the ...[Details]
Introduction
Currently, IoT-related applications, including those enabling furniture display panels, industrial control display panels, handheld devices, and facial recognition, are gradually s...[Details]
To meet increasing demands for automotive performance and functionality, manufacturers are vying to incorporate advanced electronic control technologies into their designs. With the dramatic increa...[Details]