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Since the advent of low-power UPS, transformer-less UPS design has experienced more than 20 years of development. Today, most UPS below 30kVA are transformer-less, which means that UPS does not nec...[Details]
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Frequency converters are widely used in industrial automation and frequency conversion control. They can not only achieve the same effect as industrial frequency operation, but also save energy eff...[Details]
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According to news on February 27, India’s locally developed DIR-V VEGA RISC-V processor has recently appeared on e-commerce websites. The ARIES v3.0 development board equipped with this processor is ...[Details]
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1. Clamp ammeter function When using an ammeter to measure current, the power must be turned off and the circuit disconnected before the ammeter can be connected for measurement. In situations where ...[Details]
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Since its birth, logic analyzers often give people three impressions:
① Expensive and difficult to operate;
②High requirements for users;
③It has similar functions to an oscilloscope, except that...[Details]
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FS_4412 can be connected to a USB-Wifi module to achieve wireless Internet access. This section mainly describes how to transplant the driver of the USB-Wifi module and related WPA encryption tools o...[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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When the pentode is connected as a diode, all its grids are connected to the anode of the electron tube (I think there are probably no enthusiasts who connect the pentode as a diode now. However, ...[Details]
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The following program runs on the LPC210X microcontroller and has been successfully tested by me!
/******************************************************* * Name: RstWdt() * Function: Watchdog feed...[Details]
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Recently, Balu Balakrishnan, CEO of Power Integrations, announced the company's official entry into the GaN industry in a quarterly conference call. Balu said: "GaN-based InnoSwitch devices have exc...[Details]
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On November 9, the Ministry of Industry and Information Technology released the 350th batch of new car announcements, totaling 254 new energy products, including 34 passenger cars , 52 buses, and 168...[Details]
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In recent years, Apple's new products have been leaked repeatedly, and the outside world believes that this information leaked from the supply chain. Not only Apple, but also Samsung's new pr...[Details]
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ORG 0000H START:MOV P1,#01111111B;The bottom LED lights up LCALL DELAY ;Delay 1 second MOV P1,#10111111B ;The second LED at the bottom is on LCALL DELAY ;Delay 1 second MOV P1,#11011111B ;The thir...[Details]
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Lithium batteries are increasingly used in simple electric vehicles . What are the differences between lithium batteries and lead-acid batteries and how to charge lithium batteries correctly ? What s...[Details]
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1 Introduction
As an important part of the automatic fire alarm system, the fire floor display is a digital fire alarm display device installed on the floor or independent fire zone. I...[Details]