I received the SensorTag for a while and have been working on it intermittently. I even bought a new Sony Z to get it, but the headphones were not very good, so I bought AKG 420 headphones, which caus...
Abstract: This paper discusses in detail the modulation and coding methods of infrared remote control data, designs an infrared remote control decoding scheme based on MCS-51 single chip microcomputer...
According to the rule of thumb, four-layer boards are usually used in high-density and high-frequency situations, which are more than 20DB better than two-layer boards in terms of EMC. Under the condi...
Windows Mobile 6.0 system uses ddraw, creates DDSCAPS_PRIMARYSURFACE, then locks, writes buffer, unlocks, and the return values are all correct. However, the screen can only be refreshed normally when...
Recently, the General Office of the CPC Central Committee and the General Office of the State Council issued the "Opinions on Promoting the Healthy and Orderly Development of the Mobile Internet" and ...
I listened to the advice of [size=12px][url=https://home.eeworld.com.cn/space-uid-476285.html]eric_wang[/url][/size] in [url=https://bbs.eeworld.com.cn/thread-437463-1-1.html]https://bbs.eeworld.com.c...
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]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[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]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[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]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[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]
With the popularity of digital appliances, rechargeable batteries can be seen everywhere in people's daily lives and have become one of the indispensable daily necessities.
This article gives ...[Details]
introduction
Sudan's Muglad Oilfield is a large oilfield jointly invested, developed and constructed by a four-party consortium of China, Malaysia, Canada and Sudan. It consists of 8 satellite...[Details]
0 Introduction
PROFIBUS is an open digital communication system with a wide range of applications, which has been included in the international standards IEC 61158 and IEC 61784. Since the gen...[Details]
The rotor of the brushless DC motor used in electric bicycles is composed of 30 to 40 pieces of NdFeB magnets. Since the surface magnetic field strength of NdFeB magnets exceeds 500mT, the position se...[Details]
When you are sitting in the subway train, feeling the convenience and comfort brought by the underground rail train, at this time, in the control center, the "brain" of the subway, a group of people a...[Details]
Wireless Connectivity
京公网安备 11010802033920号
EEWORLD
