When I was drawing a multilayer board before, I opened layer stack manage like thisand could directly change the electrical characteristics in the blue area in the picture above. Now it is opened like...
My company wants to purchase smart phones. Running Windows Mobile operating system. Please contact me for details. Mobile: 13520556700 QQ: 27857491 Email: bcj1983@163.com...
Exhaust cleaner is a new fuel additive in recent years, especially in some auto repair shops, 4S stores, etc. You can see the shadow of exhaust cleaner. Sometimes at gas stations, you can meet staff w...
Can an expert tell me if the FFT in the DSP library under STM32 can be directly ported to STR912?How to get the FFT-table in the .s file? Forexample:TableFFT_V7; N=16DCW 0x4000,0x0000, 0x4000,0x0000, ...
Upload the msOS I've been playing with recently. It feels very interesting. You can play with 51. It's suitable for embedded entry and helps to understand basic concepts. The function pointers and str...
[b]Contents: [/b] Introduction Chapter 1 Integral Expression of Electromagnetic Field Chapter 2 Integral Method of Current Field Quantities Chapter 3 Magnetization of Matter and Its Field Quantities C...
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[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]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[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 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]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
Our flight had just begun to descend when a gentleman sitting next to me turned to talk to me about engineering—he had seen me reading an engineering journal. The gentleman next to me said that he ...[Details]
Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[Details]
Cars equipped with xenon headlights are already common on the road. Whether they are standard equipment on high-end cars or embellishments on modified cars, xenon lamps are gradually becoming a sym...[Details]