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GPIO is one of the most commonly used devices in STM32. STM32 can provide up to 80 bidirectional IO ports (depending on the model), which are distributed in five ports of AE. Each port has 16 IOs, an...[Details]
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Connection diagram between different forms of active power filters and loads
(a) Series active power filter (b) Parallel active power filter
(c) Series hybrid active power fil...[Details]
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It has been 4 years since the Raspberry Pi released the previous generation product (rpi4 @2019). The Raspberry Pi 4 has also been sold at a "sky-high price" for a period of time and has become a fin...[Details]
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Empower next-generation embedded software development with advanced Arm virtual hardware integration and enhanced cloud-based collaboration in Linux systems Uppsala, Sweden, December 7, 2023 - IAR,...[Details]
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With the popularization of film and television audio equipment, more and more people are interested in the audio-visual field. As an audiophile, it is important to have a set of high-end equipme...[Details]
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Today, vivo announced on its official Weibo that vivo APEX 2020 was officially unveiled. It is reported that vivo APEX 2020 has a 120° full-view integrated screen, which completely eliminates the lef...[Details]
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In STM32, when using any peripheral, the corresponding clock must be turned on, so I started with the STM32 clock. RCC Clock There are 5 clock sources in STM32: ①. HSI is a high-speed internal clo...[Details]
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How to build an architecture that can efficiently process various multimedia data and optimize it specifically for audio and video? Product definition and chip selection - building a network-b...[Details]
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News on the morning of July 16. A new report shows that HTC is preparing to launch a new smartphone. The new phone is called HTC Wildfire E. It is an entry-level phone and there is no specific inform...[Details]
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In April last year, BYD released the DiLink intelligent network connection system and launched the world's first intelligent automatic rotating large-screen DiPad, which has a large number of built-i...[Details]
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The design guiding ideology of Phoenix AV-999 is to have the main functions of a home theater amplifier while meeting the requirements of high fidelity, including Dolby Digital 5.1 channel input, 5×1...[Details]
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Transient intermodulation distortion
瞬态互调失真（Transient Intermodulation Distortion），得称TIM失真。是什么时候被发现的笔者搞不清楚，但是TIM测量方法则迟至70年代才公开发表。由於瞬态互调失真与负回输密切相关，所以在讨论瞬态互调失真时就需要先从负回输说起。负回输（Negative F...[Details]
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Recently, the charging pile industry has once again ushered in a new trend. On the one hand, the importance of "unmanned operation" has been highlighted under the COVID-19 epidemic, and on the othe...[Details]
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Recently, flexible AC transmission equipment has been used to control power flow and power system oscillation. They can increase the transmission capacity of transmission lines and regulate steady-sta...[Details]
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0 Introduction The digital transaction terminal of the electronic transaction system for agricultural and sideline products is referred to as the IC card intelligent transaction integrated machi...[Details]
Test/Measurement
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