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Being able to use the seven-segment LED digital tube to display numbers and letters, and to display them simultaneously or even scrollingly is already very good, but it is not enough. We also want to...[Details]
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This example describes a simple but powerful handheld probe that can be used either as
a logic probe
or as a pulse generator, either alone or simultaneously. This feature allows the probe t...[Details]
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This article provides a good review of magnetic materials used in high-frequency magnetic components (transformers, inductors, etc.), which is closely related to the theme of this issue. I hope tha...[Details]
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Current detection circuit Temperature detection circuit Resistor voltage detection circuit Microcontroller circuit Fluck multimeters are used a lot, mainly because they save power. Two No. 5 N...[Details]
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The picture below shows a large electrolytic capacitor I used, 450V/470uF capacitor. This capacitor can also use a 450V/330uF capacitor.
The figure below shows the high volta...[Details]
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By Zhang Quan, Chief Engineer of State Grid Energy Research Institute
my country's energy and electricity growth prospects are broad
On June 13, 2014, General Secretary Xi Jinping pro...[Details]
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Specific implementation functions The system consists of STC89C52 microcontroller + DS1302 clock chip + DS18B20 temperature sensor 1. Can display year, month, day, hour, minute, second, week, tempe...[Details]
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According to wccftech, Apple's iPhone 12/Pro has not yet been released, but Russian jewelry company Caviar has begun accepting customized iPhone 12 Pro/Pro Max orders, with the price reaching a...[Details]
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With the development of science and technology, especially the development of modern instruments, miniaturization, integration and digitization are becoming an important direction for the developmen...[Details]
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UBS Group AG analysts said the global autonomous taxi market could be worth more than $2 trillion by 2030, and the mass adoption of self-driving cars would have a significant positive impact on many ...[Details]
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Automotive electronics are not all that different from other complex electronics: multiple CPUs, networking, real-time data collection, and extremely complex PCBs. The design pressures in the automot...[Details]
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Affected by the epidemic, IFA Berlin (Berlin International Consumer Electronics Show) officials stated that IFA 2020, which will be held in the summer of 2020, will "not be able to proceed as usual. ...[Details]
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A research report released by Strategy Analytics shows that in the first quarter of 2021, the top five manufacturers in the global tablet market share were: Apple (36.7%), Samsung (18.1%), Amazon (8....[Details]
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Since the security issues of Mifare I cards attracted domestic attention in 2009, the access control card system has made a qualitative leap in system and card encryption technology. CPU cards have gr...[Details]
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At the Chery Global Innovation Conference that just ended, Chery, which has always been low-key, announced its strategic layout and put forward the goal of "being smart and becoming the industry le...[Details]
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