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1 Fingerprint recognition principle
In 1684, plant morphologist Grew published the first scientific paper on fingerprint research. In 1809, Bewick used his fingerprint as a trademark. In 1823, anato...[Details]
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According to foreign media reports, Infineon Technologies, a supplier of automotive semiconductor solutions, has launched new 8-Mbit and 16-Mbit Excelon F-RAM memories (ferroelectric memory) with t...[Details]
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Classic CPU reset circuit
Working principle: 1. The purpose of diode D501 If there is no D501, when the power is turned on immediately after power failure, the charge on the capacitor cannot be ...[Details]
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Introduction At present, when embedded designers provide Ethernet access for remote control or monitoring equipment, the Ethernet controllers they use are designed for personal computer syste...[Details]
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Recently, Lenovo Group announced its first quarter results ending June 30, 2019. As the first fiscal quarter of the 19/20 fiscal year, Lenovo Group's performance was outstanding, with quarterly reven...[Details]
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PLC instructions are the instruction set of the programmable logic controller (PLC), also known as PLC programming instructions. PLC instructions are commands used to program the programmable logic...[Details]
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Tesla has repeatedly promised (and used it as a product selling point) that it can achieve fully autonomous driving without driver intervention . However, this feature has not yet been launched, whi...[Details]
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According to Reuters, the acting director of the White House Office of Management and Budget, Walter, recently wrote to the U.S. Congress, requesting that the measures restricting China's Huawei be p...[Details]
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What if your grandfather could manage his diabetes without cumbersome test strips and confusing messages? What if a 7-year-old with diabetes didn’t have to deal with the stress or fear of pricking hi...[Details]
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South Korean securities firm NH Investment & Securities reported that the ongoing blockade in Xi'an, China and the fire at ASML's Berlin factory have affected semiconductor production. These events a...[Details]
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Although there are many IC products, there are only a handful of ICs with a scale of over 100 billion yuan and sales of over 10 billion units, and MCU (microcontroller) is one of them. After all, fro...[Details]
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Dongfeng's high-end brand Lantu Auto did something very interesting. When promoting batteries, it made a cut. 1) Cylindrical battery: In the first model, Samsung SDI's cylindrical battery cells wer...[Details]
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Introduction The phase-shifted full-bridge ZVS DC-DC converter is one of the most widely used soft switching circuits. As a phase-shifted full-bridge converter with excellent performance, the switc...[Details]
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According to news on September 13, Sony Semiconductor Solutions (SSS) recently announced the development of a new module that can convert electromagnetic noise into energy to power Internet of Things...[Details]
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1. Experience:
First, let’s look at an example: Figure 1-1:
The process of compiling and burning:
Screenshot of main.c:
You can see that the first light is turned on...[Details]
Sensor
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