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On April 24, the 2015 Annual Meeting of Shandong Lithium Battery Standardization Technical Committee, hosted by Hitech Electronics Group Co., Ltd., was successfully held at Jinzun International Hot...[Details]
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MAX7219 is a highly integrated serial input/output common cathode LED display driver. Each chip can drive an 8-bit 7-segment common cathode digital tube with a decimal point. Several chips can be c...[Details]
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By calculating the viewing distance of the full-color LED display cabinet, we can find the most suitable distance for viewers and the best viewing angle, so that the full-color LED display cabinet ...[Details]
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(Photo source: RSC) According to foreign media reports, researchers at Hanyang University in Seoul, South Korea, have developed a lithium metal battery (LMB), specifically a Li/NCM battery. They s...[Details]
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1. Purpose of the experiment Learn to use C language for simple programming. 2. Experimental requirements Master writing sorting programs. 3. Experimental content (1) Design a progr...[Details]
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In recent years, the concept of urban brain has been in full swing. Compared to the past two years when everyone was relatively unfamiliar with this concept, I believe that most readers now already k...[Details]
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For products in various industries, there are various parameters for equipment. For the audio industry, speakers, sound sources and amplifiers also have many parameter indicators, but most consumers ...[Details]
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1. Induction method An induction test pen and a digital multimeter can be used; it is suitable for cables without metal armor and steel tape shielding; care must be taken to prevent electric shoc...[Details]
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According to statistics, the number of chips in traditional cars is about 500-600. With the addition of functions such as autonomous driving and new energy, most models are now generally equipped w...[Details]
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Today, the official released a summary of answers from the head of MIUI on-line about the interaction between mobile phones and computers, whether the video toolbox will be adapted to existing models...[Details]
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Many high-efficiency power supplies can be designed using either an active clamp flyback (ACF) converter or an LLC switcher IC to achieve their design goals.
Which one should be chosen in actua...[Details]
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The HC89F30XC series is a value-for-money 8-bit touch microcontroller launched by Xinsheng Electronics. It has a built-in enhanced 8051 core, 16K ROM, 256Bytes IRAM and 512Bytes XRAM. The HC89F30XC s...[Details]
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When talking about electromagnetic simulation, we must first start with high-frequency circuit testing. 在高频电路研发的过程中,最常使用到的仪表是网络分析仪。这里所说的网络不是电脑网络,而是在有电腦网络之前很早就用到的名词,指的就是高频电路。 The measurement resul...[Details]
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The following error is reported during the compilation of the stm8s program: Compiling stm8s_stdperiph_driversrcstm8s_adc2.c... cxstm8 +mods0 +debug -pxp -no -pp -l -istm8s_stdperiph_driverinc -i"C...[Details]
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Temperature sensors are instruments for measuring temperature and are widely used in industry, scientific research, medical treatment and other fields. This article will introduce in detail the mea...[Details]