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Smart cards can be divided into three categories according to their security level: memory cards, logic encryption cards and CPU cards, among which CPU cards have the highest security level. As can be...
TI Cup 2019 National Undergraduate Electronic Design Competition Question Analysis and Technical Exchange Seminar : https://training.eeworld.com.cn/course/5726TI Cup 2019 National Undergraduate Electr...
1. Overview of high voltage and high power frequency conversion technologyAfter nearly 20 years of rapid development and application, AC asynchronous motor variable frequency speed regulation techno...
I saw the information about Raspberry Pi Pico on the EEWORLD official account, so I immediately went to the official website to learn more.
I saw the purchase information at the bottom, and then I imm...
One of the more troublesome problems of hydrogen energy batteries is the escape of hydrogen. Hydrogen is easy to escape when the pressure is high because of its small molecules. The capacity of the cy...
Students at Western Reserve University designed an autonomous lawn mower that cuts grass by defining a mowing path and avoiding obstacles. The team combined sensors, control algorithms, system contr...[Details]
An electric vehicle is a vehicle that is driven in whole or in part by an electric motor. Currently, there are three main types of vehicles: pure electric vehicles, hybrid electric vehicles, and fu...[Details]
At the Tech World conference held today, the Lenovo Legion gaming phone Pro Extreme Transparent Edition unexpectedly made an appearance, and officials said that this version will be on the shelves so...[Details]
China's intelligent transportation industry is developing rapidly, and it is expected to reach a trillion-level scale in 2025. Against
the backdrop of accelerated iterations of multiple key techno...[Details]
Beijing time, April 21 morning news, according to reports, Foxconn Technology Co., Ltd. announced on Tuesday an agreement with Wisconsin, the United States, showing that the company will significantl...[Details]
0 Introduction Measurement uncertainty is a parameter associated with the measurement result, which characterizes the dispersion of the value reasonably assigned to the measured value. It is an ...[Details]
On September 13, according to Reuters and Bloomberg, a person familiar with the matter confirmed on Thursday local time that General Motors is in talks to purchase power batteries that use CATL's t...[Details]
1. System Solution The mobile phone APP controls the switch of the LED light through the ESP8266 WIFI module and the 51 single-chip microcomputer. The lower computer is composed of the single-chip ...[Details]
1. About
the lighting effects
of
LED
and nano lamps
In 2007, the best LED light source could only reach 80lm/w, and domestic ones were even worse. After the lamps...[Details]
In December 2019, ACEA (European Automobile Manufacturers Association) published the Automated Driving R&D Roadmap. The roadmap explains the main benefits and different levels of automated driving (i...[Details]
Introduction to I2C The I2C bus is a simple, bidirectional, two-wire synchronous serial bus developed by Philips. It only requires two wires to transmit information between devices connected to t...[Details]
As one of the leaders of the Android mobile device camp, Samsung Electronics has not been making much progress in the smartphone market. As a recent report by Korean media highlighted, the elec...[Details]
The fully automatic printed product quality inspection system is a visual online inspection system. It scans the printed product image online through a camera, and then sends it to the memory for proc...[Details]
In the measurement, the change of light signal must be converted into the change of electrical signal in order to make quantitative measurement. This device that uses the photoelectric effect to con...[Details]
Recently, Wuhan Municipal Bureau of Economics and Information Technology announced the results of the 2024 unicorn enterprise certification. 44 enterprises in the city were selected, of which 31 were ...[Details]