After I transplanted the latest 4.4 system to the am437-evm board, other functions have been changed by changing the dts file. There is no problem, but I found that after logging in to the uart4 port ...
I added a 6*6 matrix keyboard to the BSP: Compile error: [color=#FF0000]BUILD: [01:0000000086:ERRORE] C:\WINCE600\PLATFORM\DEVICEEMULATOR\src\drivers\matrixkey\.\MATRIXKEY.cpp(9) : fatal error C1083: ...
(1) Performance requirements and influencing factors of RF broadband amplifiers; (2) Anti-interference and noise reduction issues of RF amplifiers; (3) How to increase the bandwidth of RF amplifiers;...
My program for writing FLASH is as follows:void Flash_write(void){unsigned z;_DINT(); // Disable system interruptFlash_clr(piFLASH); // Erase information segment Bfor(z=0;zFlash_ww(piFLASH+z,a[z]); //...
[ Sipeed LicheeRV 86 Panel Review] + Unboxing and Lighting
[Sipeed LicheeRV 86 Panel Review] 2. Hardware Circuit and Resources
Sipeed LicheeRV 86 Panel Review] Play with Debian Linux system plus SSH
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[postbg]3.jpg[/postbg][font=黑体][size=4] This time, FPGA is used to implement a VGA image display controller to display some graphics, text or images. This effect realizes horizontal color bars, vertic...
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
For battery-powered portable devices, in addition to breaking through the limitations of processing power, the performance of portable system power supplies also needs to be continuously improved. ...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
Infrared remote control is widely used in home appliances, but the remote controls produced are not compatible with each other. The universal remote controls commonly seen on the market can only co...[Details]