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/*********************************************** Function name : key_scan_init Description: Key scan initialization Input parameter : none Return : none Others : ...[Details]
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Chinese electric vehicle battery maker Contemporary Amperex Technology Co., Ltd. (CATL) plans to enter the U.S. energy storage market and will debut a residential energy storage system at the 2019 ...[Details]
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Sometimes it is dangerous to use an oscilloscope to measure a circuit system with a potential difference. This danger may come from a short circuit inside the device or from the potential itself. As ...[Details]
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Mobile power supplies are also known as power banks and free chargers. In 2004, a few manufacturers in Shenzhen produced them, mainly for export to Europe, the United States, and Japan. They have b...[Details]
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The AM2302 temperature and humidity sensor uses a single bus to communicate with the MCU, which requires the MCU to have a certain processing speed in order to correctly parse the data sent by the AM...[Details]
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1. Background
Smart cockpits are the focus of development, design and differentiated competition in the current automotive industry. Currently, most smart cockpit controllers are complex syste...[Details]
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The rumored Apple Glasses may be completely wireless when used indoors, using relay base stations to expand the communication range to multiple users in a room. One of the problems with cu...[Details]
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Function: STC12C2052AD AD conversion C program + PWM output function was successfully used. Application: AD detects voltage for over-voltage and under-voltage protection (relay control) + PWM...[Details]
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In the past December, digital enthusiasts have successively experienced the new product launches of OPPO, vivo, Huawei, and Xiaomi, and every day is like "Chinese New Year". For today's mid-to-high...[Details]
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After decades of development, high-specification DC/DC converters have reached a performance peak, requiring power engineers to rethink their design approach. In fact, converters using familiar analo...[Details]
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After years of experience with lighting manufacturers, I often feel that lighting manufacturers do not want to buy good LED power supplies, but they do not know how to distinguish whether the purchas...[Details]
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On January 15, the Jiangbei New District Energy Storage Power Station was officially connected to the grid and put into operation. Correspondent Du Yi Nanjing Daily/Purple Mountain News Reporter Duan ...[Details]
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September 9, 2010, Shanghai, China—As security monitoring systems have gradually adopted IP networks, excellent network bandwidth and overall performance are key factors to ensure effective transmi...[Details]
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In embedded applications, the main reason for using RTOS is to improve system reliability, followed by improving development efficiency and shortening the development cycle. μC/OS-II is a priority-ba...[Details]
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Soft starters and frequency converters are two types of electrical equipment widely used in the field of industrial automation. They have certain differences in functions, principles, applications,...[Details]
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