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The biggest feature of LED light sources is their long lifespan, which can reach 50,000 to 100,000 hours. It is not practical to monitor their light decay over a long period of time. Therefore, th...[Details]
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The sine wave inverter does not have the disadvantages of the square wave input inverter, but its efficiency is not high, so designers want to improve its efficiency while retaining the advantages ...[Details]
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Siyuan Semiconductor is working towards the goal of increasing annual revenue from hundreds of millions to billions. Will the next opportunity come from Apple? In the chip industry, which is full o...[Details]
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It would be wonderful if high-speed PCB design could be as simple as connecting schematic nodes and as beautiful as what you see on a computer monitor. However, unless the designer is new to PCB desig...[Details]
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1. Circuit design Due to the strong directivity of ultrasonic waves, slow energy consumption, and long propagation distances in the medium, ultrasonic waves are often used for distance measurement. U...[Details]
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The last article described how to use two timers of a microcontroller to realize a breathing light. In fact, the last article was explaining the principle of PWM. Today, we will use the built-in PWM ...[Details]
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According to Xinhua News Agency, in the intelligent sensing laboratory of the power Internet of Things, two yellow manipulators are skillfully holding red operating rods to accurately strip and conne...[Details]
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Because when driving the bare board, it needs to be interrupted Exception MMU MMU is a memory management unit in the CP15 coprocessor, which is embedded in the ARM chip. Its function is to map virtua...[Details]
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The LTC3675 is a space-saving single-chip power solution for multi-rail applications running from a single Li-Ion battery. Its 4mm x 7mm QFN package contains two 500mA buck regulators, two 1A buck ...[Details]
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——Interview with Ding Yongfu, Chairman and Party Secretary of the State Grid Corporation of China DC Construction Branch
Our reporter Zhang Ting
Reporter: Building and operating a strong ...[Details]
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If this pace of small steps and fast progress can be maintained, China's small and medium-sized flexible AMOLED panels will soon be able to be used in the terminal market. However, the existing ap...[Details]
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Recently, Nanjing Kuanneng Semiconductor Co., Ltd. (hereinafter referred to as "Kuanneng Semiconductor") announced the completion of an angel round of financing of over 200 million yuan, led by Heli ...[Details]
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In November 2020, Sony officially launched the new generation "next-generation console" PS5 series. Its hardware has been greatly improved compared to the previous generation PS4. It uses a hig...[Details]
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When compiling a 51 MCU program, at the end of the compilation, it will prompt Program Size: data= xx xdata=xx code=xx. So, what is the basis for calculating these storages? And based on this, how to...[Details]
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The main circuit of the three-phase voltage-type PWM rectifier has a very fast response and a better input current waveform. When working in a steady state, the output DC voltage remains unchanged, t...[Details]
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