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When the absolute value of a signal is needed, we often use high-precision rectifier circuits as part of signal size measurement circuits in metering applications. There are countless designs for this...[Details]
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1. Principle: Ultrasonic technology is related to sound waves that humans cannot feel. The average hearing limit of humans is 16,500 Hz. Although some people can hear up to 21,000 Hz, ultrasonic tech...[Details]
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For single-chip microcomputers or embedded systems, buttons are indispensable. I remember when I first started learning 51 single-chip microcomputers, I first came into contact with the button s...[Details]
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Continuously measuring patient vital signs such as heart rate, respiratory rate and blood oxygen saturation (SpO2) is critical to providing effective care, and the ability to measure these signs simu...[Details]
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Recently, the "5th Hard Core Ecological Conference and 2023 Automotive Chip Technology Innovation and Application Forum" hosted by Master Xin was successfully held at the Shenzhen International Conve...[Details]
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I am working on wireless transmission recently and need a cc2430 development board and tq2440 for serial data communication. The OS is Linux. The Linux driver has been written after porting, so you c...[Details]
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Gas detectors are mainly divided into two types: portable gas detectors and handheld gas detectors. They are an instrument tool that uses sensors to sense toxic and harmful gases in the environment an...[Details]
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CNC machine tools, or computer numerical control machine tools, are automated machine tools controlled by computers. CNC machine tools are widely used in mechanical processing, mold manufacturing, ...[Details]
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On Tuesday local time, Stellantis Group and CATL simultaneously announced that the two parties had signed an agreement covering battery supply, establishment of joint ventures, and technical coope...[Details]
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A power supply that can provide a stable AC voltage and frequency is an AC stabilized power supply. The AC stabilized power supplies on the market are roughly divided into the following categories:...[Details]
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Translated from 5gradar Recently, the reporter interviewed Mattias Johansson, Head of Core Sales Support for Digital Service Cloud at Ericsson, and he gave detailed answers to questions about the c...[Details]
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From the above figure, we know that if P0.26 and p0.27 are connected to an external crystal oscillator, when ADC_AIN0 and ADC_AIN1 are started for channel acquisition, BLE will be disconnected bec...[Details]
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It is determined that the distance between the control electrode G of T2 and the electrode of T1 is relatively close, and the forward and reverse resistances are relatively small. Set the multimeter ...[Details]
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Yunhui Capital is a private equity investment management company founded in 2015 by five former senior bankers from Goldman Sachs. To date, Yunhui Capital has managed funds worth nearly RMB 10 billio...[Details]
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Shanghai International Auto Parts, Repair, Inspection and Diagnosis Equipment and Service Products Exhibition
National Exhibition and Convention Center (Shanghai), December 2-5, 2024
...[Details]
Test/Measurement
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