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SLE4428 card reading and writing program. This EMC instruction version is rewritten according to the C51 program. It has passed the debugging. ;============================= ;Send data subroutine ;Ent...[Details]
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According to foreign media reports, in addition to the nickel-cobalt-manganese (NCM) batteries currently used, Ford may launch electric vehicles equipped with lithium iron phosphate (LFP) batteries....[Details]
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If you want to add the high-voltage package in-circuit measurement function, K in the figure below is the reverse pressure test button VBR, Rl, Q1, Ll, L2 to form a self-excited oscillation circuit,...[Details]
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Introduction: I often see beginners asking to use _at_. This is a fallacy, treating C as ASM. In C, variable location is the compiler's job. As long as beginners define the variable and its scope, th...[Details]
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For some places with long lighting time and many lighting equipment (such as school classrooms, shopping malls, etc.), the phenomenon of waste in the use of lighting systems is common. Due to the l...[Details]
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Preface For beginners, I recommend the video of Long Shunyu from Sixiu Electronics. It is very detailed and can be found on related video websites such as Bilibili or Youku. Friends who already have ...[Details]
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Lithium-ion batteries are widely used in portable devices due to their high energy density in terms of both weight and capacity. Users of devices such as smart phones, PDAs, and MP3 players want to...[Details]
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Chip fixed resistors are a type of metal glass uranium resistor. They are made by mixing metal powder and glass uranium powder and printing them on a substrate using screen printing. They are resis...[Details]
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1 Surge voltage
When a circuit is struck by lightning and when an inductive load or a large load is connected or disconnected, a high operating overvoltage is often generated. This instantaneo...[Details]
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Key points of air tightness test for medical sanitary valves. In many medical devices, sanitary valves are used. The so-called sanitary valves refer to valve fittings used in places with high require...[Details]
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Jack Weast, Intel senior principal engineer and vice president of autonomous vehicle standards at Intel subsidiary Mobileye, delivers a keynote speech at the 2019 Mobileye Investor Summit In order...[Details]
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RS485 transceiver realizes powerful lightning protection
Smart Grid is one of the most important energy conservation and carbon reduction policies in the world. RS485 network wi...[Details]
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According to the official website of Guangzhou Market Supervision Bureau, recently, at the special research meeting on "big data killing old customers" on Guangzhou platforms, representatives of 10 I...[Details]
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1 MCP3421 package form and structure
MCP3421 is an 18-bit resolution device in Microchip's A/D converter series, using SOT23-6 package. Figure 1 shows the pinout of MCP342, and the functions o...[Details]
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On November 6, Tianma Microelectronics held the 2024 Tianma Microelectronics Global Innovation Conference in Xiamen, and released new technologies in the fields of Micro-LED, OLED, technology platf...[Details]