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A small mistake caused the board to be remade twice, and the problem was not solved due to insufficient experience in EMC testing. Every failure is a learning experience, as if in the process o...[Details]
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High voltage LEDs will be widely used in future lighting fixtures. Some people think that in the future LED power supply design and development, power supply design is a complicated matter. In fact, ...[Details]
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Frequency conversion technology is an application technology that changes the frequency of electrical signals according to control requirements: it realizes the frequency conversion of electrical s...[Details]
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When we use oscilloscopes in our daily life, sometimes we need to make high-resolution measurements. At this time, we can regard the digital oscilloscope as a whole system and make full use of this s...[Details]
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Purpose I originally wanted to learn how to make PCBs from just one article, and I did learn it, but I still felt like too much of a novice, which was not good. So I spent another two days to optim...[Details]
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1. SWI instruction
The format of the SWI instruction is:
SWI{condition} 24-bit immediate value
The SWI instruction is used to generate a software interrupt so that the user program can call the o...[Details]
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Samsung Electronics said on Wednesday that its semiconductor manufacturing plant in Xi'an, China has resumed normal operations. According to Reuters, due to the surge in COVID-19 cases and strict con...[Details]
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frequency meter:
LCD1602 display
Without adding external counting hardware, this test software can measure the highest frequency up to 460KHz
working principle:
The number of input pulses counte...[Details]
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On January 29, local time, Amazon announced that it had canceled its acquisition of iRobot, a robot vacuum
cleaner
company, and paid iRobot a $94 million breakup fee. It is understood that ...[Details]
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In today's era of intelligent voice interaction, toys are no longer just simple mechanical structures and colorful appearance designs. With the continuous advancement of technology, toys are becomi...[Details]
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1 Introduction
The advantages of copper metallization in high-power automotive applications are low on-state resistance and repeatable clamping robustness. However, stress from thick Cu layers is a...[Details]
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Beijing time, August 8, according to the website of the Physicists Organization, many drivers have had this experience, that is, when you look down at the dashboard or mobile phone information...[Details]
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I want to estimate the use of SiC in vehicles over the weekend, and this data will allow us to roughly assess future usage. It may be relatively simple to estimate, mainly by making some deductions f...[Details]
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Multimeters are mainly divided into pointer multimeters and digital multimeters. Currently, pointer multimeters are rarely used. Next, we will introduce the use of digital multimeters. Digital mult...[Details]
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0 Introduction
Traditional shallow sea topography measurement is carried out with ships as platforms and sonar technology. This measurement method forms a blind spot for some areas that are diffi...[Details]
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