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According to foreign media MacRumors, Apple's iPhone 12 and iPhone 12 Pro have no visible regulatory marks in the United States. This is because the United States passed the Electronic Labeling ...[Details]
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Previously, rechargeable batteries have been developed for portable terminal applications such as mobile phones and laptop computers. With the increasing demand for various applications such as ele...[Details]
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introduction Laser processing mainly uses CO2 laser beam to focus on the surface of the material to melt the material, and at the same time uses compressed gas coaxial with the laser beam to blow aw...[Details]
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The main technical parameters of the power amplifier
The main parameters of the power amplifier are: input sensitivity, harmonic distortion, signal-to-noise ratio, frequency response, damping ...[Details]
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The system architecture of most analog measurement systems is relatively straightforward. The core of this architecture is usually a host processor that controls and retrieves data from one or more AD...[Details]
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After more than seven months of planning for privatization, the "Haier Brothers" are finally reunited. On July 31, Haier Smart Home disclosed that it would be listed and traded on the main board of...[Details]
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According to Jiwei.com news, according to TrendForce research, in 2021, Chinese and European telecommunications equipment manufacturers still accounted for more than 70% of the global market share. T...[Details]
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#include
Songhan MCU
TA= (float)((NTC_B2550/((NTC_B2550/298.15)-(logf(10/rntc)))-273.15+0.05))*10;
51 single chip microcomputer
TA= (NTC_B/((NTC_B/298.15)-(log(10/rntc)))-273.15+0.05)*10;
TA...[Details]
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Use IAR compilation environment to burn STM8 program. The usage is as follows: STLINK V2 Hardware: STLINK V2 STLINK V2 driver: see cloud disk file (link: http://pan.baidu.com/s/1hr7CwUK password: w2v...[Details]
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First we need to understand the meanings of the most commonly used icons: Turn the multimeter knob to the position marked with the beep symbol. Connect the metal parts of the black and red test l...[Details]
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As smart digital cloud TVs and personal PCs enter every household, touch screen input devices have also replaced traditional keyboards and mice, and smart TV-computer all-in-ones that support ANDROID...[Details]
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1. Introduction Circuit breakers play an important role in cutting off fault currents in power systems. The extensive application of circuit breakers with sulfur hexafluoride (SF6) gas as the insulat...[Details]
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According to realmicentral, Samsung has begun producing HW4.0 computer chips for Tesla and has begun developing new in-vehicle computer products for the autonomous car and self-driving car markets. T...[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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0 引言 温度、盐度等海洋水文环境参数的获取日益重要。抛弃式温探测系统是快速获取大面积海域温度剖面资料的仪器，为海洋调查、科学研究、军事应用提供了先进的测量手段。国外发达国家自20世纪60年代开始，研制了机载可抛弃式海洋水文探测系统，其系列产品(已有温、盐、深、流)主要应用于美国海军，能够在一次任务航线上，利用同一种探测平台快速获取远海目标海域的多要素实时数据，是至今机动性最好的远海现场...[Details]
MicroPython Open Source section
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