The figure shows the related voltage pulse experiment. It can be seen that in the 12V system, the highest US reaches -150V. So when we choose the input filter capacitor, should we choose the one with ...
LPWA currently includes a variety of technologies, such as LoRa, Sigfox, Weightless and NB-IoT, among which LoRa has entered China since 2013. It is expected that the shipment volume of Semtech's SX12...
Since udelay is an infinite loop, will the processor interrupt interrupt the udelay function to handle the interrupt, and then handle the high-priority task after the interrupt exits?...
Questions: The default SRAM size of AT32F403, AT32F403A, AT32F407 is 96KB, which can be modified to 224KB. The default SRAM size of AT32F413 is 32KB, which can be modified to 16KB or 64KB. How to modi...
Hello everyone! I would like to learn about the knowledge of software testing for commercial or household appliances: What is the difference between testing of appliance software and commonly known so...
On the evening of October 29, Fudan Microelectronics released its 2020 third quarter report. During the reporting period, the company achieved operating income of 99.287 million yuan, a year-on-year ...[Details]
As a formal system or product, after the basic system functions are debugged, once the field test phase is carried out, please remember to immediately rewrite the fuse configuration and enable the AVR...[Details]
Introduction
In recent years, with the development of Flash Memory non-volatile storage technology, USB-based flash memory, namely U disk, has been widely used. Theoretically, using U disk as t...[Details]
This year, there have been amazing new advances in public use. One AI-generated image even won an art prize in competition with human artists (https://www.nymes.com/2022/09/02/chnology/-artifial-li...[Details]
On September 1, the 2024 World Power Battery Conference opened in Yibin, Sichuan. Yu Chengdong said in his speech that the key to the second half of the development of new energy vehicles is intell...[Details]
0 Introduction
At present, there are many electronic locks based on IC card design on the market, which are widely used in hotels, apartments, warehouses, schools and other places. These o...[Details]
Recently, Huawei announced that it will hold a new product launch conference for whole-house intelligence and smart screens, and will also announce a new smart home strategy. After the mobile phone b...[Details]
On February 23, the Cihu High-tech Zone in Ma'anshan, Anhui Province held a signing ceremony for key projects in the communications industry. The following are some of the projects signed this time: ...[Details]
This article briefly describes the shortcomings of traditional photovoltaic power generation system inverters and the advantages of transformerless photovoltaic inverters. It also discusses the factor...[Details]
1 Introduction The measurement and monitoring of electrical parameters is an important part of the power system. Starting from the engineering practice of the test system, this paper completes the me...[Details]
According to news on January 28, Samsung will release the Galaxy S22 series on February 9, including three high-end flagships: Galaxy S22, Galaxy S22+ and Galaxy S22 Ultra. Now the renderings o...[Details]
This article takes the AT89C51 system with a
6MHz clock
as an example to illustrate the application of clock interrupts:
Timer initial value and interrupt cycle The clock interru...[Details]
On July 20, Qinghai Province held a press conference for the "Green Power in July in Qinghai" series of activities. At the meeting, Yuan Yi, vice president of Shanghai Electric Power Generation...[Details]
We know that a power supply with a low rated power can hardly meet the power supply needs of the system, which may cause frequent freezes, or even failure to boot or damage to the hardware. Because...[Details]
According to TechCrunch, Amazon Cloud (AWS) announced today the preview release of its own quantum computing service Braket. Developers can build quantum algorithms and basic applications, and then p...[Details]
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