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TSMC, the leading wafer foundry, announced on the 3rd that it has disposed of 9.437 million shares of SMIC held by it. The disposal proceeds will be transferred to retained earnings of approximately ...[Details]
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According to Singapore's Lianhe Zaobao on April 13, technology giant IBM will close its manufacturing facilities in Singapore and all its employees will be laid off. The Singapore Ministry of Manpowe...[Details]
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Speaking of encoders, you may not be unfamiliar with them, because they are very commonly used. The current mainstream encoders generally have relatively high precision, and are basically based on...[Details]
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March 9 news, today, Apple brought a new green version to the iPhone 13 and iPhone 13 Pro series, which will start pre-sale this Friday and will be officially released on March 18. It is understood t...[Details]
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Entering a new stage of high-quality development, various transformation demands for intelligence, digitalization, green and low-carbon are coming. How to open up the "Ren and Supervision" of enterpr...[Details]
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The output of the current source three-phase PWM rectifier presents a DC current source characteristic. The sinusoidal modulation method is used to control the distribution of the DC current Ii in ea...[Details]
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1. Equipment name and model Thermal conductivity tester Thermal resistance and thermal conductivity testing equipment LW-9389 2. Principle The sample is placed between the hot end and the cold end ...[Details]
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The new single-pair Ethernet (SPE) or 10BASE-T1L physical layer standard developed by IEEE provides a new connectivity solution for transmitting equipment health information for condition monitor...[Details]
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According to foreign media reports, private cars and buses carrying employees drove into the Tesla Shanghai Super Factory located in the Lingang New Area of the Free Trade Zone. This is Tesla's fir...[Details]
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At present, the cost of electric vehicle batteries is still high compared with the cost of fuel vehicles . The US Energy Department has revealed three new energy storage technologies that may help el...[Details]
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1. Experimental tasks Use the AT89S51 timer/counter T0 to generate a 2-second timing. Whenever the 2-second timing arrives, the replacement indicator light flashes. The frequency of each indicator fl...[Details]
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Overall solution selection and design
1. Scheme demonstration and comparison
① Selection of main circuit and adjustment method
Solution 1: Switching voltage regulation
T...[Details]
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Today I am writing a program to read the temperature sensor DS18b20 using 1768. It is a single bus sensor, so both reading and writing need to follow the timing in the manual. This is the question, h...[Details]
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OTDR: The full name of OTDR is Optical Time Domain Reflectometer. OTDR is a precise optoelectronic integrated instrument that uses the backscattering caused by Rayleigh scattering and Fresnel reflect...[Details]
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/*This wind speed sensor is assembled with a small DC brush motor and a three-cup rotating wind cup Its working principle is that when there is horizontal wind flow in the environment, the rotatin...[Details]
PCB Design
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