[hide]作为一种新的光源,近年来各大公司和研究机构对LED电源和驱动电路的研究方兴未艾。与荧光灯的电子镇流器不同,LED驱动电路的主要功能是将交流电压转换为直流电压,并同时完成与LED的电压和电流的匹配。随着硅集成电路电源电压的直线下降,LED 工作电压越来越多地处于电源输出电压的最佳区间,大多数为低电压 IC 供电的技术也都适用于为LED,特别是大功率 LED供电。再则,LED电源还应能利用...
There is a problem when using memcpy in my program. pBufOut is a BYTE pointer, and pbuf is an array of local variables. BYTE pbuf[40]; memcpy( pBufOut, pbuf + 3, 32 ); After executing memcpy, a lot of...
When adjusting EEPROM (IIC), the first time the program is run after the board is powered on, it can run normally. However, when the program is downloaded again and run again, the Serial Bus is always...
There was a small event in the forum some time ago (we don't produce code, we are FPGA code porters [url]https://bbs.eeworld.com.cn/forum.php?mod=viewthread&tid=467513&fromuid=391494[/url]) Everyone w...
[font=Tahoma][size=2][/size][/font] [font=Tahoma][size=2][/size][/font] [font=Tahoma][size=2][b]March 19th——"Huaian Information Vocational and Technical College Student Innovation MCU Technology Excha...
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
1. Introduction
This design was made for participating in an electronic design competition. It effectively solved the problem of the operation and control of an electric car on a seesaw. The s...[Details]
With the advent of increasingly powerful processors, image sensors, memory, and other semiconductor devices, as well as the algorithms that enable them, computer vision can be implemented in a wide...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
As people's requirements for safety and comfort in the process of driving cars continue to increase, automotive radars are widely used in the car's adaptive cruise system, collision avoidance syste...[Details]
Corelink Semiconductor has launched the CL1100-based 5-7W E27 LED lighting driver system solution DB2. This driver module meets the requirements of small size (L×W×H=5.1cm×2.1cm×1.8cm), low standby...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
Movpower is a portable power bank. It can charge most mobile phones and digital products, such as digital cameras, PDAs, and mobile phones such as Apple, iPod, Blackberry, Motorola, Samsung, Nokia,...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
1. Fully understand the design requirements of all parties and determine the appropriate solution.
When starting a hardware development project, the original driving force will come from many a...[Details]