[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:59[/i] [table=123][tr][td=1,1,123][font=宋体]THX202H[/font][/td][/tr][tr][td][font=宋体]THX203H[/font][/td][/tr][tr][td][font=宋体]THX201[/fo...
Best-selling author, senior engineer of foreign enterprise, experience of embedded Linux example development technology (free) —— Development experts and best-selling author will have face-to-face tec...
《Friends who don’t need it or already have it can skip it. File format: PDF》 "I will post them in this order" 1 IGBT drive circuit 3 pages 2 IGBT drive and protection 9 pages 3 Detailed design of IGBT...
The problem of STM32 ADC being prone to channel misalignment in sequential scan DMA transfer mode has been around for a long time. In the product I made, this mode was used because 7 channels were use...
The method of identifying the three poles of the thyristor is very simple. According to the principle of PN junction, just use a multimeter to measure the resistance value between the three poles......
1 Introduction Traditional testing instruments are mostly completed by hardware circuits, which not only have single functions, but also have long development cycles and are difficult to maintain. Wit...
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]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[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]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
Abstract: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
Temperature compensated quartz crystal oscillator (TCXO) is widely used as a high-precision frequency source in communication systems, radar navigation systems, precision measurement and control sy...[Details]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[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]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]
1. The composition and structure of mobile phone lithium battery
Mobile phone lithium batteries are mainly composed of plastic shell upper and lower covers, lithium battery cells, protection c...[Details]
The automotive power electronics market has grown rapidly as comfort and active safety features become more common. As traditional mechanical functions shift to electronic applications, the demand ...[Details]
Mobile and portable
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