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introduction
During the growth of crops, light conditions have an important impact on the growth rate, yield and quality of crops . At present, most of my country's facility agriculture st...[Details]
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With the country's vigorous promotion of LED lighting, LED lighting products have grown rapidly and become popular. Since LED products are new products in the lighting industry, ordinary people a...[Details]
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Be careful when wiring a house network. This is a very complicated and tedious task. If it is not done well, various problems will arise in the later use, and it will be troublesome to troubleshoot an...[Details]
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Background of the Science and Technology Innovation Board November 5, 2018 At the opening ceremony of the first China International Import Expo, President Xi Jinping announced that a Science a...[Details]
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On the evening of December 15, Lantu Motors’ first sedan, Lantu Chasing Light, officially debuted and started pre-sales. The pre-sale prices are 322,900 yuan, 352,900 yuan and 432,900 yuan respective...[Details]
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Abstract: With the development of embedded technology, embedded systems have gradually increased their requirements for system stability, reliability, and anti-interference. This paper analyzes in ...[Details]
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Label: ＦＩＮＴ Function: floating point rounding function
Entry condition: The operand is in .
Exit information: The result is still in .
Affected resources: PSW, A, R2, R3, R4, bit 1FH Stack requirem...[Details]
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Decoders play an important role in digital systems. In addition to
generating
chip
select signals for other integrated circuits, they can also be used as data distributors and function gener...[Details]
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Sina Digital News reported on the morning of March 31 that a study conducted by a computer science professor at Trinity College Dublin in Ireland found that Android phones collect 20 times mor...[Details]
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On November 17, the 2023 21st Guangzhou International Automobile Exhibition grandly opened. Changan Automobile released Changan Automobile Battery Plan with the direction of social value leading tech...[Details]
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Sudhanshu Ambhore exposed the protective case of the Huawei P40 phone on the social networking site, further confirming more details of the phone. From the pictures exposed by Sudhans...[Details]
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On the evening of March 17, Lu Weibing specifically mentioned the Dimensity 9000 when summarizing the release of the Redmi K50 series. He said that the Redmi K50 Pro is the most cost-effective Dimens...[Details]
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Lithium iron phosphate battery is a new type of lithium-ion battery that uses lithium iron phosphate (LiFePO4) as the positive electrode and graphite as the negative electrode. For a detailed intro...[Details]
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Back in February, gsmarena released the appearance of the domestically produced Doogee S98 phone. The series will also launch two other devices, called S98 Pro and S98 Ultra, which are expected...[Details]
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引言
随着大功率LED的问世，因其发光效率是一般荧光灯或白炽灯的5~7倍，节能效果十分显著。因而，大功率LED具有广泛的应用前景。目前，单个大功率LED已有1W、3W、5W和10W，已被大量使用的是1W和3W的大功率LED，采用多个大功率LED串联和并联，其组合输出功率已达70W~100W。
大功率LED虽具有发光效率高和节能的优点，但其管压降的不一致却是需要克服的缺点。其次，大功...[Details]
Microcontroller MCU
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