Let's discuss the selection of components on PCB boards. This is really a super difficult problem. Material selection is very important! ! ! Seeking experience, communication, and secrets....
The manual says there is a reset circuit inside the chip.All kinds of "test boards" have RC reset.Do you guys use external reset circuits on your products?For example, STM809?If not, the NRST pin is l...
[i=s]This post was last edited by azhiking on 2014-3-6 16:29[/i] Operating system: Win7 32-bit IDE: CCS V5.5 Platform: Embest BeagleBone Black (B4) Use TI Resource Explorer of CCS and select Hello Wor...
Headhunting position [Dongguan] Job responsibilities: 1. Mainly for the company's embedded hardware platform, use C/C++ to develop embedded business software as required; 2. Participate in the design,...
This article mainly describes how to modify the network phy chip on the AM335X Linux system, as well as the configuration and use of dual networks. It includes the initialization of phy in uboot and k...
I want to use the high-speed clock of the 149 system. The two pins of XT2 on the PCB are connected to an 8M crystal. My system needs to work at an 8M frequency, andthe serial port also plans to use an...
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[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]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[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]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]
One in five car failures are caused by batteries, a problem that will become more serious in the coming years as electric-by-wire, start/stop engine management and hybrid (electric/gas) vehicles be...[Details]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
PCB Design
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