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This article introduces a flyback constant voltage, constant current 75W LED driver with single-stage (single switch) PFC. The circuit is shown in the figure. The AC input voltage range is 208~277V, ...[Details]
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Noise Impact
When testing a mobile phone, you should first understand the structure of the mobile phone before considering noise. The mobile phone has both a transmitter (TX) and a receiver (RX). T...[Details]
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When writing SPI data, you must call SPI_I2S_ReceiveData(SPI1); Read once, otherwise the data will be read incorrectly u8 SPI_Flash_GetChar(void){ u8 Data = 0; Data = SPI_I2S_ReceiveData(S...[Details]
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Common fault tolerance of CAN line faults
The physical layer of the CAN bus is the driver circuit that connects the ECU to the bus. The total number of ECUs will be limited by the electrical l...[Details]
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STMicroelectronics and Transmax jointly developed OLED under-screen facial recognition solution to be exhibited at IFA 2022 • The two companies will demonstrate a complete facial recognition soluti...[Details]
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The basic principle and selection of resistance tester
1. Withstand voltage tester
Withstand voltage tester is also called electrical insulation strength tester or di...[Details]
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In the latest issue of "Nature Photonics", researchers from Columbia University School of Engineering demonstrated a new energy-saving chip that can transmit large amounts of data through fiber-optic...[Details]
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Some of the facilities visible from the ground. Image: Hydrostor
Developer NRStor and technology provider Hydrostor have completed work on a multi-megawatt, commercial, advance...[Details]
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For all devices related to "electricity", current is a parameter that is always indispensable. The unit of measurement for current is A (ampere), which is defined as the current size of 1A when the a...[Details]
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If the annual iPhone launch conference is the Spring Festival Gala of the digital era, then this year's Gaohe Zhanyi Day can be said to be a carnival in the automotive smart cockpit industry. As we...[Details]
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The FLASH size of F103ZET6 is 512K, so select startup_stm32f10x_hd.s The FLASH size of F103C8T6 is 64K, so select startup_stm32f10x_md.s Things to note when transplanting From ZET6 to C8T6, ...[Details]
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On October 13, Mingyang Circuit released its performance forecast for the first three quarters of 2020. The company's net profit attributable to shareholders of listed companies in the first three qu...[Details]
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New clock generators for automotive applications simplify timing architecture while reducing functional safety development time by six weeks through built-in fault monitoring mechanisms for the ent...[Details]
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Incineration can be traced back to the origin of civilization. We can see in early cities that incineration has been used to reduce waste for thousands of years. Incinerators are a kind of harmless t...[Details]
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0 Introduction
The electric locomotive logic control unit (LCU) is an important control part of the electric locomotive. It uses modern electronic components to replace the original contact...[Details]
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