I am using aduc841 microcontroller, which is based on 51 core. In order to expand the IO port, I connected a 74HC244 to the P0 port, and then connected a dip switch. The two enable terminals of 74HC24...
Speechless, I can only say: If you choose to be an engineer, you have to accept this reality. Whenever I see old engineers who have worked for seven, eight, or even ten years come for interviews or jo...
Hehe SimonPrince, my task is completed~~~~ Give some applause~~~~~ Welcome yulzhu to join us and build the simulation section together~~~ His blog: [url=https://home.eeworld.com.cn/my/space.php?uid=17...
I was reading the Atmega32 data sheet these days, and I found that the interrupt address in the interrupt vector table is preceded by a $. What does that mean? Does it mean 0X or an offset?...
[color=#333333]Using MSP430F4270 to implement a digital temperature tester[/color] [color=#333333][/color] [color=#333333] [/color] [color=#333333][/color]...
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[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]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[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]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
Introduction
X1226 has the functions of clock and calendar. The clock relies on hour, minute and second registers to track, and the calendar relies on date, week, month and year registers to tr...[Details]
Traditional
virtual instruments
consist of a data acquisition
board
based on PCI bus and
corresponding software. However, with
the rapid development of
computer
network techno...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
The invention of the steam engine ushered in the first conversion of internal energy and mechanical energy for mankind, and the birth of the internal combustion engine at the end of the 19th centur...[Details]
In order to develop lighting LED technology, developed countries attach great importance to the research of LED testing methods and standards. For example, the National Institute of Standards and T...[Details]
Embedded System
京公网安备 11010802033920号
EEWORLD
