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Debugging is the key work to check whether the PLC control system can meet the control requirements. It is an objective and comprehensive evaluation of the system performance. Before the system is ...[Details]
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Most portable products that use white light-emitting diode (WLED) backlight displays also require auxiliary LED lighting. Two ICs are typically required: an inductive boost converter to maximize th...[Details]
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The Karl Fischer method for determining water content is an electrochemical method. The principle is that when the Karl Fischer reagent in the electrolytic cell of the instrument reaches equilibrium,...[Details]
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ASML's second quarter 2020 financial report released recently showed that net sales in the second quarter were 3.3 billion euros, net profit was 800 million euros, gross profit margin reached 48.2%, ...[Details]
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1 Introduction
LED has been widely used in lighting, backlight and other fields due to its advantages of low power consumption, high luminous efficiency and long service life. The brightness o...[Details]
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In China's surveillance market, digital video recorders (DVRs) once occupied half of the video surveillance market. However, with the development of network surveillance, network cameras (IPCs) and ne...[Details]
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The biggest disadvantage of online gas detectors is the high initial investment cost. Of course, the cost depends on the user. Consider its true value. Online gas detectors are gas detection instrum...[Details]
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According to Jiwei.com news on March 16, the semiconductor sector as a whole weakened. Among them, San'an Optoelectronics suddenly hit the limit down, down 10.02%. As of today's closing, it was quote...[Details]
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On September 1, the "Core to Success, Science and Technology to Create the Future" Jiashan Economic and Technological Development Zone Integrated Circuit Industry Development Forum and the opening ce...[Details]
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I2C interface experiment
Note: In the AT91SAM7Sxx series, I2C is called TWI.
1. Experimental purpose
Be able to correctly read and write the I2C interface chip memory (24C02), that is, the d...[Details]
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Function description: Use the shift function to light up the running lights The program source code is as follows: #include reg52.h #include intrins.h #define uchar unsigned char #define uint ...[Details]
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In the ARM + Linux training class, the instructor usually first explains how to use ADS or RealView MDK to debug the ARM development board. The reason is: 1. Master the ARM architecture. ARM is a com...[Details]
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Today's high-speed central processing units (CPUs) provide extremely high performance, but the requirements for various indicators of their power supply have reached unprecedented heights. Higher-s...[Details]
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On March 31, National Technical disclosed the company's 2021 annual performance report. During the reporting period, the company achieved operating income of 1.018 billion yuan, an increase of 168% o...[Details]
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On the 10th, the reporter learned from the School of Metallurgy and Energy Engineering of Kunming University of Science and Technology that the team of Professor Hua Yixin of the school has made im...[Details]
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