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Thermal expansion valve failure phenomenon
Fault phenomenon 1: The refrigerant flow provided by the thermal expansion valve is insufficient (small opening).
Fault phenomenon 2: The refrig...[Details]
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1.1 ARM processor exception handling
The so-called exception means that the normal user program is temporarily suspended and the processor enters the exception mode. For example, responding to an in...[Details]
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Negative feedback is widely used in electronic circuits. After the introduction of negative feedback, although the amplification factor is reduced, it brings many benefits and improves the performanc...[Details]
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Cathode ray oscilloscope
The figure on the right illustrates the basic features of a cathode-ray oscilloscope. The tube is made of glass and is evacuated to a high vacuum. The ...[Details]
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Use of serial port printf Every time I use the MCU with 51 core, I always have a headache. There are many reasons, the main one is that simulation, serial port printing and debugging are troublesom...[Details]
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According to incomplete statistics, in just half a year, more than 24 companies have reported new trends in cross-border layout of power battery tracks. In the first half of 2023, at least eight Chin...[Details]
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Google One is a consumer subscription service launched by search giant Google, which mainly provides cloud storage expansion (up to 100B) starting at as low as $1.99/month. Each Google account c...[Details]
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August 18 news: Digital blogger @看山的叔叔 revealed the rear lens protective film of Huawei Mate 40 and Huawei Mate 40 Pro on Weibo today. It can be seen from the picture that Huawei Mate 40 P...[Details]
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OFweek Cup 2022 China
Robot
Industry Annual Awards (abbreviated as OFweek Robot Awards 2022) is jointly organized by OFweek, China's high-tech industry portal, and its authoritative robo...[Details]
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IT Home reported on September 22 that Apple will release the iPhone SE Plus next year, which is the successor to the iPhone 8 Plus. Now there is news that Apple will use side fingerprint recog...[Details]
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For semiconductor startups, this is a ticket and will surely become a symbol of technology. ISO 26262, established in November 2011, is a "functional safety" standard related to automotive electron...[Details]
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On the 20th, the reporter learned from Nankai University that the team of Professor Xu Wentao from the School of Electronic Information and Optical Engineering of the university was inspired by the...[Details]
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· Bit 1 – IVSEL: Interrupt vector selection When IVSEL is "0", the interrupt vector is located at the starting address of the Flash memory; when IVSEL is "1", the interrupt vector is transferred to ...[Details]
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After 5 months, the new member of the Redmi "Little King Kong" family - the Redmi Note 11 series was officially released, bringing flagship features such as up to 120W fast charging and 100-mega...[Details]
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Overview
New energy vehicles can be divided into pure electric vehicles (EV) and hybrid electric vehicles (HEV/PHEV) according to their power sources. The vehicle controller is the core contro...[Details]