CCBN2010 has started. I visited many manufacturers and talked with many technicians in the morning. I found that everyone was not optimistic about the two standards, DiiVA and WAPI. Some technicians e...
When using MOS tubes to design switching power supplies or motor drive circuits, most people will consider the on-resistance, maximum voltage, maximum current, etc. of MOS, and many people only consid...
If the other party calls me and I don't answer the call and wait for the other party to hang up, what message will be generated? LINECALLSTATE_DISCONNECTED will not be generated. But I think there sho...
[color=#333333] I would like to ask about the previous 51 single chip design[/color] [color=#333333]You can use one port to control 8 groups of LED lights (marquee)[/color][color=#333333] [/ color] [c...
What data is contained in the BIOS on the adapter card (such as the graphics card) on the PC motherboard, and what is its function? How is the adapter card BIOS connected to the CPU, and how is its ph...
[i=s] This post was last edited by paulhyde on 2014-9-15 03:55 [/i]It contains calculators for air-core inductor calculation, attenuator calculation, amplitude equalization, branch distribution, micro...
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]
introduction
1 The significance of using RTOS on MSP430
It is understandable that it is meaningless to use RTOS on MSP430. Because the hardware resources of MSP430 are limited (for exampl...[Details]
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]
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]
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]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
introduction
LEDs continue to gain popularity in automotive applications, thanks to their long lifespan and the flexibility they offer for body styling and interior design. Some may be surpris...[Details]
introduction
At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[Details]
a. Keep the battery clean, wipe off the spilled electrolyte, contaminated dirt and dust in time; keep the poles and terminal clamps clean and in good contact, and apply vaseline or butter to preven...[Details]
0 Introduction
In microwave, radar, radio and television, and communication systems, the problem of coupling RF power is often encountered. A directional coupler is a directional power divide...[Details]
When programming in C and assembly, there are interface issues between variables and functions in C and assembly.
Variables defined in a C program are put into the .bss area after being compile...[Details]
Liquid crystal displays are increasingly widely used in pocket instruments and low-power application systems due to their advantages of low power consumption, small size, rich display content, and ...[Details]
1. Self-test of lithium battery capacity
The nominal capacity of the CECT9898 OEM mobile phone lithium battery is 3800mAh, and its battery volume is comparable to the 1500mAh battery of ot...[Details]
Tags: PMP Digital Signal Processing
Many observers and analysts agree that there will be only two hot technology topics in the field of electronic engineering and applications this year: o...[Details]