Semiconductors with pure crystal structures are called intrinsic semiconductors . Commonly used semiconductor materials are silicon and germanium. They are both tetravalent elements, with four valence...
I have two questions: 1. What GSM protocol specifications are used in SIM cards? 2. The project I am working on now is to read the information of the SIM card, that is, to send ADPU command packets to...
As the title says, I bought the ENC28J60 Ethernet module from Taobao store http://item.taobao.com/item.htm?scm=1007.77.0.0id=10390385522ad_id=am_id=cm_id=pm_id= . I want to do the transmission of temp...
A forum friend was on a business trip to meet a client, and was scratched by a Tibetan Mastiff at the client's place. Although it was only a small wound, he still went to get vaccinated for safety rea...
[i=s]This post was last edited by dontium on 2015-1-23 13:20[/i] Elder Chenbing:I have been using DSP 2407A for a while. But I only had a single development board in my hand, and I was afraid of damag...
The mass production process of the new generation of cockpit platform has started, and the smart cockpit market has entered a new bonus cycle of technology iteration and platform upgrade.
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Multi-touch mobile phone
Multi-touch is a system that can respond to multiple touches on the screen at the same time. Multi-touch phones are divided into capacitive and resistive types. Capaci...[Details]
Introduction to the principles of speech recognition technology
Automatic speech recognition (ASR) technology aims to enable computers to understand human speech and extract the textual inform...[Details]
On August 25th, SK Hynix announced that it has completed development and entered mass production of its 321-layer, 2Tb QLC NAND flash memory product. This achievement marks the world's first applic...[Details]
On August 22, Lantu Motors officially launched its Lanhai Intelligent Hybrid technology via an online livestream. This intelligent hybrid technology, which integrates a full-range 800V high-voltage...[Details]
On August 18th, Galaxis, a specialist in integrated intelligent intralogistics robotics, officially unveiled its next-generation, ultra-narrow aisle forklift mobile robot, the "VFR Ultra-Narrow Ser...[Details]
Keysight Technologies is combining its electromagnetic simulator with Synopsys' AI-driven RF design migration flow to create an integrated design flow for migrating from TSMC's N6RF+ process techno...[Details]
A half-bridge is an inverter topology for converting DC to AC. A typical half-bridge circuit consists of two controller switches, a three-wire DC power supply, two feedback diodes, and two capacito...[Details]
A multilevel inverter converts a DC signal into a multilevel staircase waveform. Instead of a straight positive-negative output waveform, the output waveform of a multilevel inverter alternates in ...[Details]
Plessey Semiconductors has been acquired by Haylo Labs, which was established in March last year with a $100 million, five-year loan from Chinese technology company Goertek.
Haylo Labs w...[Details]
According to foreign media reports, Ford Motor has applied to the U.S. Patent and Social Security Office (USPTO) for a patent for a door anti-collision system that may be used in future Ford vehicl...[Details]
The difference between a series inverter and a parallel inverter is that they use different oscillation circuits. A series inverter connects L, R, and C in series, while a parallel inverter connect...[Details]
We often hear about the precautions for using pure electric vehicles in winter, and many owners even develop relevant strategies, such as adopting a "charge as you go" principle for their vehicles,...[Details]
Electric vehicles are composed of three main components: electric motors, electric motors, and electric vehicles. Maintenance is much simpler than for gasoline-powered vehicles. Maintenance for ele...[Details]
Common Mode Semiconductor has officially launched the GM6503 series—a 5 V, 3 A synchronous step-down DC/DC power module designed for optical communications, servers, industrial applications, and FP...[Details]
Analog electronics
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