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ACDC switching power supply has an important technical parameter - power-off holding time, which refers to the time difference ⊿t from AC power off to the output voltage dropping outside the accuracy...[Details]
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The board is equipped with an EEPROM memory, model AT24C02. The hardware connection of the board is: SCL--- P2.4, SDA--- P2.5. Straightforward, paste the program! ========================24cxx.h文件...[Details]
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Composition of Solar LED Lighting System
The energy-efficient solar LED lighting digital control drive system includes a solar cell group, a DC/DC converter and MPPT (maximum power point trackin...[Details]
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Stepper motors have permeated every aspect of our lives. This article introduces some important stepper motor-related technologies, provides enough information for developers to have a basic u...[Details]
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It is very convenient to use printf to send data in the STM32 serial communication program. However, there are always problems when using it for the first time. The most common problem is that the mai...[Details]
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Meishe will begin to expand into the automotive field in 2021, and currently has a number of products launched on mass-produced models such as Zhiji Automobile. In the automotive industry, Meishe dee...[Details]
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On September 27, Ford recently launched a new Mondeo car that can detect pedestrians in front and send out warning signals, and can also automatically activate the brakes.
Mondeo is one of...[Details]
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Fluke Networks is a subsidiary of FORTIVE (formerly Danaher Corporation) in the United States. It is a professional company dedicated to network testing, maintenance and detection. We will introduce ...[Details]
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主要对二极管箝位型三电平逆变器的拓扑与
控制
进行了研究,并以此作为进一步研究的基础,对三电平NPC逆变器的载波同相层叠和反相层叠PWM
控制
方法进行了分析,同时对两种载波层叠方式下输出电压的谐波特性进行了比较,分析了其工作机理和调制算法,在此基础上对基于三角载波层叠式调制算法的实现进行了改进,然后利用Matlab/Simulink仿真软件实现了调制算法的仿真验证,...[Details]
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Better power regulation and tighter safety considerations require efficient and intelligent
power supplies
that can be monitored externally, are more cost-effective to manufacture, and r...[Details]
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Using STM32 as the controller, the board requires four 485 interfaces and one 232 interface. When data arrives from 232, it is forwarded to 485 according to conditions. When data arrives from 485, it ...[Details]
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According to Reuters, the U.S. Federal Communications Commission (FCC) said on Wednesday that it would revoke the licenses of China Unicom Americas, Pacific Networks and its wholly-owned subsidiary C...[Details]
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Recently, Shanghai Linxin Investment Management Co., Ltd. ("Linxin Investment"), as the lead investor, formed a Chinese buyer group with Juntong Capital, Xiamen Jianfa, Hangzhou Guogai and other inst...[Details]
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Based on the fluorophosphate Na3V2(PO4)2F3 (NVPF) cathode and hard carbon (HC) anode, Tiamat has launched two types of high-power sodium-ion batteries, cylindrical and prismatic.
...[Details]
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Consumer audio engineers have been trying to replace the power-hungry analog Class A/B amplifiers with more power-efficient digital Class D amplifiers for many years. However, the high EMI emissions ...[Details]