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The Japanese government removed South Korea from its white list on the 2nd, and 1,120 items will be affected. Although South Korea has a high rate of localization of smartphone parts and raw material...[Details]
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In the rectification of switching power supply EMI, the causes and suppression methods of interference in different frequency bands are as follows:
Within 1MHZ - mainly differential mode interferen...[Details]
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1. Selection of components 1. Three components of DC-DC power converter 1) Switch: Regardless of the type of DC/DC converter, the components used in the main circuit are only electronic switches, ind...[Details]
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Abstract: An inverter DC side active filter system is introduced. This system is effective in eliminating pulsating currents caused by unbalanced and nonlinear loads at the inverter input terminals...[Details]
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When learning each module, usually only the simplest functions are used at the beginning. Here we will give a basic serial port receiving and transmitting driver for STM32F103. To use the serial port,...[Details]
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Abstract: This application note describes the use of the MAX44009 ambient light sensor to control the backlight brightness of portable devices such as smartphones and tablets. Two different control...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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CICC's research report believes that 5G mobile phone sales are one of the most important factors affecting the stock price trend of the consumer electronics sector in 2020. According to the latest in...[Details]
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China Energy Storage Network News:
China has become the world's largest energy producer and consumer. The traditional energy production and consumption models can no longer adapt to the new i...[Details]
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Switching power supplies have been widely used in various electronic devices, and their unit power density is constantly increasing. However, they generate a lot of heat when working. If the heat c...[Details]
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In single-chip C language programming , 30 operators are usually used, as shown in Table 1, including 13 arithmetic operators, 6 relational operators, 3 logical operators, 7 bit operators, and 1 poin...[Details]
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The function of PLC automatic sequence is to control the equipment to work according to the pre-designed process flow. There are also several methods for writing the process of PLC automatic progr...[Details]
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With its many advantages, three-phase brushless DC (BLDC) motors are becoming the first choice for designing modern battery-powered motor products. However, in order to make the products ergonomic...[Details]
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The capacitance can be detected by using a pointer multimeter. The basis is that the resistance block of the multimeter is equivalent to a DC power supply with internal resistance, which can charge th...[Details]
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Automotive relays are an important electronic component, commonly used for switch control in automotive circuits, such as lights, horns, electric windows, etc. This article will introduce the princ...[Details]
PCB Design
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