-
Beijing, China, April 15 - Today, Poly, a leading global unified communications and collaboration company, announced the official opening of the Poly Experience Center (PEC) in Beijing. By creating a...[Details]
-
According to foreign media reports, in addition to the "Hongmeng" OS backup system plan, Huawei seems to be preparing another Plan C, which is to replace Android with Russia's Aurora operating system...[Details]
-
Abstract: This article introduces a mobile communication data acquisition system based on DSP and PCI bus. A dual mapping method is proposed, which successfully solves the communication connecti...[Details]
-
Recently, the main project of the "1MW/8MWh all-iron liquid flow energy storage project" jointly built by Wuhan Ju'an Energy Storage Technology Co., Ltd. (hereinafter referred to as Ju'an Energy St...[Details]
-
EMC (Electromagnetic Compatibility) is electromagnetic compatibility, which includes EMI (electromagnetic disturbance) and EMS (electromagnetic anti-disturbance). EMC is defined as the ability of a...[Details]
-
Rockwell Automation's intelligent operation and maintenance Rockii solution empowers Nanjing Puyuan to be named "China's Top Ten Industrial Digital Transformation Enterprises in 2021"
(N...[Details]
-
Adjustable voltage-stabilized power supply circuit composed of LM723
This circuit uses a voltage regulator circuit LM723 as the core. By adjusting P1, the output voltage can be continuously adjuste...[Details]
-
Let me tell you about the port remapping of STM32 microcontroller. Here we take the remapping of USART1 as an example. There are many I/O ports on STM32, and there are also many built-in peripheral...[Details]
-
1. 1/16 scanning routing method
To achieve 1/16 scanning, there are usually 4 signals, A, B, C, and D. Then you can choose 1 4-16 decoder or 2 3-8 decoders to achieve 16-line ...[Details]
-
I2C is almost the most universal serial bus in embedded systems. All devices around MCU can use it as long as the speed requirement is not high. The advantages are good compatibility (almost all MCUs...[Details]
-
Source program: /********************************************* This program was produced by the CodeWizardAVR V1.23.8c Standard Automatic Program Generator ?Copyright 1998-2003 HP InfoTech s.r.l. h...[Details]
-
1. pH meter composite electrode The electrode that combines the pH glass electrode and the reference electrode is called a pH composite electrode. The one with a plastic shell is called a plastic...[Details]
-
There are two main implementation circuits for analog-to-digital conversion circuits in electronic scales: an integration circuit composed of discrete components and a single analog-to-digital convers...[Details]
-
摘要:设计了一套基于CPCI总线,PCI9054桥接芯片和可编程逻辑器件(FPGA)的高速数据采集卡。FPGA作为本地主控芯片,根据工控机经PCI9054转发的采集命令,通过光纤接口实现与雷达接收机的通信。采用高速RAM缓存数据,采集的接收机测试数据的分析结果可在工控机上显示,从而实现了对雷达接收机性能的快速测试。该采集卡具有较强的通用性和可扩展性,详细介绍了高速数据采集卡的组成和工作原理、...[Details]
-
After the PCB is welded, its components need to be tested. The traditional method is to test them after welding them off the PCB board, but this method is not only troublesome and inefficient, but al...[Details]