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Let's talk about the scope of variables first. For example, in a function, the memory unit of the parameter variable is allocated only during the call and released immediately after the call ends. Thi...[Details]
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Preliminary knowledge - program memory allocation The memory occupied by a program compiled by C/C++ is divided into the following parts: Stack area (stack) - automatically allocated and released by...[Details]
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Significantly improve the user experience related to test automation and provide Tektronix and Keithley customers with seamless instrument control effects Beijing, China , November 15 , 2023 ...[Details]
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A few days ago, Apple just released the fourth developer beta of iOS 13.3. Recently, foreign media reported that a document from Vietnamese operator Viettel confirmed that iOS 13.3 and watchOS 6.1.1 ...[Details]
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The EUSART of the PIC microcontroller is a serial communication interface. We can use it to transmit data between different devices. Let's talk about our most commonly used serial asynchronous recepti...[Details]
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Main features of outdoor LED display media 1. Outdoor LED display media are widely used in public places, advertising, urban road networks, urban parking lots, railways, subways and other traf...[Details]
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Currently, lithium batteries are used more and more widely, from mobile phones, MP3, MP4, GPS, toys and other portable devices to gas meters that need to continuously save data, and the market capa...[Details]
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1. Conditioning
This word refers to the "adjustment" or "adaptation" of the board itself in a broad sense, so that it can adapt to the subsequent conditions. In a narrow sense, it means that th...[Details]
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The clamp ammeter is a portable instrument that can directly measure AC current without disconnecting the circuit. This instrument has low measurement accuracy and can provide a rough understanding o...[Details]
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OFILM issued an announcement stating that the company and its subsidiaries OFILM Technology and others plan to sell 962 patent ownership/application rights related to the touch display business for m...[Details]
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introduction
To accurately estimate
the remaining charge in
a Li+ battery
, it is necessary to understand how the battery characteristics change with temperature and load cur...[Details]
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Since Hungarian engineer Otto Blathy invented the world's first prototype of an electric energy meter (watt-hour meter) in 1889, the electric energy meter has evolved over a century: from mechanica...[Details]
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On March 15, 2024, the 500KW/1075KWH energy storage project in Ningxiang Economic Development Zone, Changsha, Hunan was successfully connected to the grid. The project will bring tangible electrici...[Details]
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Technology giant Apple held WWDC (Apple Developer Conference) on June 6, 2022, US time. At the press conference, it was announced that a new version of Apple CarPlay will be released, which will im...[Details]
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Since Uboot2011.06 has good support for S3C6410, we use Uboot2011.06.
1. Porting environment
Host: VMWare-ubuntu
Development board: ok6410—512M nandflash, Kernel: 2.6.30.4
u-boot: u...[Details]
RF/Wirelessly
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