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Many test applications require measuring the resistivity (surface resistivity and volume resistivity) of high-level materials. The traditional measurement method is to apply a sufficiently high volta...[Details]
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Last year, a fatal accident caused by an Uber self-driving test vehicle had a significant negative impact on the development of the entire industry. In the context of a sluggish capital market, it is...[Details]
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In the past, LED lamps all used constant voltage power supplies. At that time, we did not understand the performance of LEDs. According to the data given by the manufacturer, each small lamp bead w...[Details]
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1. Why should we care about power supply quality?
In the "single-phase" power supply environment of the office and home, we always hope to have a continuous 220V power supply to power the equi...[Details]
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The national strategy has given Chinese electronics manufacturers, including connector companies, great expectations for the future. "Accelerating the formation of a new development pattern with 'dom...[Details]
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Currently, the Japanese government has imposed export controls on South Korea, mainly on three types of key semiconductor materials: fluorinated polyimide, photoresist, and etching gas (hydrogen fluo...[Details]
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The phase-shifted
full
-bridge PWM converter is one of the most commonly used medium-to-high power DC/DC converter
circuit
topologies. The phase-shifted PWM
control
method u...[Details]
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Since the spread of COVID-19, most people have been working from home. During this period, I have not been in the mood to write articles about current affairs. Instead, I plan to write some articles ...[Details]
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As video surveillance has developed to this day, the rapid development of the scale of video systems is obvious to all. In recent years, based on mature Ethernet technology, the construction of la...[Details]
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Lianjian Optoelectronics' controlling shareholder, actual controller, second largest shareholder and Guangdong Southern New Vision Media Technology Co., Ltd. (hereinafter referred to as the "Proposed...[Details]
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USB Rubber Ducky or Bad USB is a well-known attack tool that looks like a USB stick but acts like a keyboard when plugged into any unlocked device. USB Rubber Ducky allows attackers to program the mi...[Details]
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Next-generation automotive lighting designs will improve light pattern customization and animation effects by controlling hundreds of OLED lamp beads Next-generation lighting technology will give ...[Details]
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In the microcontroller's timer counter application, the initialization process of the program must complete the following tasks:
1. Assign values to TMOD to determine the working mode of T0 and T1 ...[Details]
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The D/A conversion uses the AD5542 chip, which is a single-channel, 16-bit, serial input, voltage output digital-to-analog converter from ADI. It is powered by a single 5 V power supply. It uses a ...[Details]
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introduction
As modern industrial production and scientific research place increasing demands on data acquisition systems, acquisition accuracy, anti-interference capabilities, and ease of...[Details]