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White light LEDs are voltage-sensitive devices. In actual operation, the upper limit of the current is 20mA. However, the current often increases due to various reasons during use. If no protective m...[Details]
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Intel held the Intel Smart Community Solutions Summit Forum online. At the forum, Intel systematically shared its vision and ideas for building smart communities, and officially released the Intel Sm...[Details]
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In the field of industrial automation, have you chosen the right switch?
Industrial Ethernet protocols play a vital role in industrial automation and control systems. They ensure efficient, re...[Details]
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Central topics: Importance of Sensor Waveform Analysis in Automotive Fault Diagnosis Automobile fault diagnosis case analysis solution: The dual-trace display function of the dual-trace oscillosc...[Details]
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With the development of modern industry, noise pollution has also arisen, and noise nuisance has occurred from time to time. Noise meters help residents monitor noise pollution. As a professional ins...[Details]
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At present, most of the long-delay thermal tripping test schemes adopted in China are to directly apply a voltage to the circuit breaker through a transformer to obtain the test current. During the...[Details]
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On May 9, the 2019 World Ultra High Definition Video ( 4K / 8K ) Industry Development Conference was held in Guangzhou. The conference was co-hosted by the Ministry of Industry and Information Te...[Details]
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The charger introduced here can charge nickel-cadmium batteries or ordinary zinc-manganese dry batteries with constant current and constant voltage. The number of batteries charged each time can be...[Details]
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Sina Digital News reported on the morning of November 22 that foreign media Bloomberg reported that Apple is changing its operating system development workflow to prevent problems like iOS 13. The de...[Details]
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The accuracy of a multimeter refers to the maximum allowable error in a specific use environment. In other words, accuracy is used to indicate how close the measured value of a digital multimeter is ...[Details]
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The power supply of outdoor square dance pull-rod speakers has always been mainly lead-acid batteries, with an output voltage of 9.5V-14.6V. The direct-supply audio amplifier chip can output 20W/chan...[Details]
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There are four main types of common air conditioner after-sales failures: bad coil, non-reversing, cross-flow and leakage. So, what are the corresponding causes and solutions for each situation? Le...[Details]
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1. IAP interrupt vector table remapping 1.1、Coretext-M3与Coretext-M4: SCB- VTOR = 0X08000000|0X20000; __set_PRIMASK(0); There is a vector table offset register VTOR (0xE000ED08) in the System...[Details]
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The system hardware configuration is based on the AT89S51 microcontroller. The AT89S51 is a low-power, high-performance CMOS 8-bit microcontroller, with a 4Kb ISP (In-system programmable) Flash rea...[Details]
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The motion mode of ABB industrial robots is one of the key factors in their ability to perform tasks on automated production lines. This article will detail the various motion modes of ABB industri...[Details]