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1. Matrix keyboard 1. Method for detecting buttons: (1) First, set all 1-4 to low level and 5-8 to high level. When a key is pressed, a point in 5-8 will be pulled low. ...[Details]
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The "Visiting Germany" event jointly organized by the German Chamber of Commerce in South China and Southwest China, the German Consulate General in Chengdu, and the Chengdu Municipal Bureau of Comme...[Details]
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How many of you like to play with your phone while it's charging? Get rid of this habit quickly, it can easily lead to problems! Recently, @中国消防 posted a Weibo post saying that a child in Yangzhou, J...[Details]
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Introduction Strain gauge sensors are widely used. They adopt a bridge circuit structure to improve output sensitivity. However, the output of a micro-strain bridge is only about 2 mV. Even under fu...[Details]
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Recently, Mr. Li Yajun, Chairman of Linxin Investment, was invited to attend the 15th China Investment Annual Conference - Annual Summit, and delivered a keynote speech at the conference entitled "Se...[Details]
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Power supplies are an integral part of almost every electronic product powered by a power supply. With the rapid development of the electronic product market, power supply designers need to develop...[Details]
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The upcoming Linux 6.5 kernel will add support for the Qualcomm Adreno 690 GPU to the open source MSM kernel graphics/display driver. The A690 is mainly used in the Snapdragon 8cx third generation (S...[Details]
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Road traffic accidents are a serious problem faced by all countries. According to a recent survey by the Society of Automotive Engineers of the United States, 260,000 traffic accidents in the Unite...[Details]
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As one of the most commonly used electronic control measuring instruments in electronic control measurement systems, signal generators are basic instruments commonly used in industrial control, teachi...[Details]
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Step 1: How to Use a Digital Multimeter A digital multimeter can be used for voltage, resistance, current, continuity, resistance, and is used to test the capacitance of transistors and even the in...[Details]
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Abstract: A low voltage and low quiescent current linear differential regulator is designed. The traditional LDO has an independent bandgap reference voltage source and an error amplifier. In this pa...[Details]
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When using active probes for testing, the most common mistake is using the probe beyond its dynamic range. We often receive calls from customers saying that when they use active and passive probes to...[Details]
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Lianying Laser was officially listed on the Shanghai Stock Exchange Science and Technology Innovation Board with an issue price of 7.81 yuan per share. As of today's closing, Lianying Laser's stock p...[Details]
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1. Introduction This article introduces a high-power parallel UPS synchronous control solution based on TI's TMS320C240 DSP controller. The synchronization with the power grid and the synchroniz...[Details]
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1. Introduction
As an indispensable power equipment in industrial production, the starting method of the motor has an important impact on the motor's service life, energy consumption, and mech...[Details]
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