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In the daily process of handling Smart-UPS repair applications, we found that many UPS failures are caused by factors such as batteries, mains power, operating environment and usage methods, and a con...[Details]
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1. Design of power transformers and audio transformers below 2kVA Some electronic circuit designers and electronics and electrical enthusiasts often encounter transformers that they have designed bu...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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The global shortage of semiconductor chips has not been alleviated, and the automotive industry has been affected. Many auto companies have had to reduce or stop production. On the other hand, this "...[Details]
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This article introduces a COVID-19 NFC oral detector to ensure normal operation for everyone entering and exiting the office. Affected by the coronavirus epidemic, office buildings strictly con...[Details]
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On October 18, according to CATL’s official WeChat account, CATL announced an agreement with Primergy Solar LLC (Primergy), a U.S. utility and distributed photovoltaic + energy storage development op...[Details]
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illustrate This example is only used to reset the system when the software is abnormal. It does not need to be used as a timer or wake-up, so the watchdog interrupt does not need to be enabled. It sh...[Details]
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Repair the file /uboot/drivers/mtd/nand/nand_util.c file as follows
/* output progress message only at whole percent
* steps to reduce the number of messages printed
* on (slow...[Details]
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Since RS-422 and RS-485 buses have the characteristics of strong anti-interference ability, high communication rate, long communication distance, and the ability to communicate with multiple slaves, ...[Details]
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On April 18, 2015, Wang, deputy district chief of Yingzhou District, Fuyang City, director of the Housing and Construction Bureau of Yingzhou District, Fuyang City, and others visited Anhui Langyue...[Details]
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1 if (GetEPTxStatus(ENDP1) == EP_TX_NAK) then the transmission is considered completed
2 You can make corresponding marks in the callback function of the corresponding endpoint void EP1_IN_Callback(v...[Details]
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The program uses the Timer1 compare match interrupt mode to control the LED to light up and down at intervals of 500ms.
The file consists of: test program , timer configuration program and header ...[Details]
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This tutorial shows how to use an Arduino as an AVR ISP (In-System Programmer). You can use it to program a bootloader to other AVR chips (such as Arduinos using the ATmega168 or ATmega328). The code...[Details]
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1 Introduction In recent years, with the rapid development of mobile communications, repeaters, as an extension and improvement equipment of mobile networks, have been rapidly used. Repeaters are oft...[Details]
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summary
The world of technology is ever-changing, and the need for efficient and reliable power solutions continues to rise. In recent years, 48 V supply voltage has received a l...[Details]
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