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Today, when evaluating a power demo board, I encountered a small problem. I couldn't use an oscilloscope to measure the primary side of the transformer. When I connected the power board, the work st...[Details]
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A digital oscilloscope is a general-purpose test instrument, which is essentially a graphic display device, equivalent to a voltmeter or multimeter with a graphic display. It can intuitively display ...[Details]
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As a young brand that has just returned to the domestic market, realme became the only mobile phone manufacturer to maintain positive market growth in 2020, and its growth is very rapid. Howe...[Details]
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Headlights are one of the important parts to ensure the safe operation of automobiles. In recent years, with the advancement of lighting source technology, automobile headlights have experienced a ...[Details]
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The 2023 China Science and Technology Innovation Series List focuses on the whole process of innovation ecosystem chain, including technology research + achievement transformation + organizational emp...[Details]
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Although LED lighting has a promising future and the industry has invested a lot of effort in the field of LED chips, circuit design still plays an important role in driving LED light sources. Even...[Details]
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With the rapid development of information technology represented by computers, semi-physical simulation technology plays an important role in many military and civilian fields such as aerospace and co...[Details]
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1 Introduction
At present, people have higher and higher requirements for the quality of life. When people are busy with work, soymilk machine is a new type of household beverage machine. It uses so...[Details]
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0 Preface Electronic password lock is an electronic product that controls the circuit or chip operation by password input, thereby controlling the closing of the mechanical switch to complete the t...[Details]
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Before the holiday, a friend lent me an EasyArm development platform. I was so happy because I thought I could finally develop something for fun. But I didn't know that there was no JTAG and serial p...[Details]
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Capacitors have equivalent series resistance (ESR) and equivalent series inductance (ESL). For example, the output filter capacitor (bulk capacitor) of a VRM uses a 3280 μF electrolytic capacitor, ...[Details]
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1. Commonly used serial expansion buses are: I2C bus, single bus, SPI bus 2. The I2C bus has only two bidirectional signal lines, one is the data line SDA, and the other is the clock line SCL. 3. The...[Details]
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Causes of LED lamp damage
LED lamp failure comes from the failure of power supply and driver, and the failure of LED device itself. Usually, the damage of LED power supply and driver co...[Details]
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1 Introduction
The railway in the mining area is the intermediate link between the national railway and the mining area, and is an important part of the railway transportation network. Accordi...[Details]
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1. SPI controller datasheet
1For details, please refer to: http://blog.csdn.net/hustyangju/article/details/20474659
2 All SPI registers are mapped to the kernel space and acce...[Details]
Analog electronics
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