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1. Why does the LED industry need to test fundamental power factor? The general definition of power factor is the ratio of active power to apparent power. A low power factor indicates that the circui...[Details]
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The circuit is shown in the attached figure. It consists of a wireless remote control receiving/transmitting component (TWH9236/238) and a DC motor forward and reverse driving module (DJQD-S). The cir...[Details]
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Abstract: This article introduces the application of Siemens full AC system in ship unloader and how to achieve speed synchronization and current optimization of grab control by setting Siemens AC ...[Details]
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Recently, the China Electricity Council and the CHAdeMO Association (Japan Electric Vehicle Fast Charger Association) jointly released the fast charging standard CHAdeMO 3.0. The new CHAdeMO 3.0 stan...[Details]
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Foreign media MacRumors reported that according to the Korea Herald, due to lower-than-expected demand for the iPhone 12 mini model, Apple is likely to compensate Samsung Display for insufficie...[Details]
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Virtual instrument technology has been widely used in the field of test and measurement. With the continuous innovation of LabVIEW software and hundreds of measurement hardware devices, virtual instr...[Details]
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The parking assistance system is an important application of the active anti-collision system of automobiles in low-speed and complex urban environments, and is also a specific embodiment of the inte...[Details]
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As technology continues to evolve, the automotive industry is also undergoing profound changes. Cars are no longer just mechanical means of transportation, they have become more intelligent, connecte...[Details]
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1 Introduction
The data collector based on GPRS and MCS-51 single-chip microcomputer is a real-time online
environmental monitoring
system. It uses the packet wireless service GPRS...[Details]
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Vodafone Group warned that if other countries follow the UK's lead and limit Huawei's market share, it would cause "huge and disruptive" costs and delay Europe's telecom network upgrades by up to fiv...[Details]
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This issue introduces the control device code application of the new generation ARM9 development board TQ2416, using TIMER code to control the time period of the device. Timer syntax, timer co...[Details]
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In 2023, BYD's sales exceeded 3 million vehicles, making countless Chinese people proud. However, while sales are increasing by leaps and bounds, many people are still discussing BYD's lag in intelli...[Details]
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The first RISC-V World Conference China will be held at ShanghaiTech University from June 21 to 27, 2021. Qinheng Microelectronics is invited to participate in this summit. As a strategic member of...[Details]
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We need to compile code that runs on the ARM platform, and the cross compiler used is arm-linux-gcc. The following introduces some common command parameters of the arm-linux-gcc compiler tool. Befor...[Details]
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In the above, we introduced how to use the I/O port to turn on the LED. In fact, you can also use the I/O port to detect buttons. Here, the P1.0 port is used to connect the button to GND. The P1.1 po...[Details]