[font=宋体]1. Be proficient in using Cadence or Mentor software layout. [/font] [font=宋体] 2. Be able to work independently, from making devices to layout and routing to light painting. [/font] [font=宋体]...
make: [clean] 错误 123 (忽略)
cd tutorial; make clean
make[1]: Entering directory `/utulinux/qtopia-1.7-tp/qt-embedded-2.3.7/tutorial'
Some requirements (standard configuration) are not met.
Skipped.
make...
I just made a FPGA board, and it gets hot when powered on. I checked all the pins and they are all normal. I also configured the unused pins to tri-state, but it still doesn't work. Does anyone know w...
I am good at MCU development and operating system development, and I focus on low-level software design. I have worked on building access control systems, TCP/IP communication of 51 single-chip microc...
The data sent by 51 received by the computer serial port is very strange! The upper 4 bytes are 4 larger than the data in 51 ROM. Every time the PC reads the data, it has to subtract 4 to make it the ...
Help!! Can any expert help me write a burst mode controller (support 10 buttons)? I want to add burst mode to XBOX360 wireless controller! Press TURBO twice (one for semi-automatic) + the button you w...
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
All electronic design engineers and scientists have performed electrical signal analysis, or signal analysis for short. Through this basic measurement, they can gain insight into signal details and...[Details]
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
Overview:
This paper introduces a method of connecting a CAN-bus network with Ethernet to form a medium-sized remote monitoring/data transmission network.
CAN (Controller Area Network) is ...[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]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
Many battery-powered systems require a visual indicator to show when the battery needs to be replaced. LEDs are commonly used for this purpose, but they consume at least 10mA of current. This con...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]