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introduction
In digital communications systems, the received signal-to-noise power spectral density ratio (Pr/N0), the received bit energy to noise power spectral density ratio (Eb/N0), and ...[Details]
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Experiment 1: Requirements: Use dynamic scanning and timer 1 to display the number on the digital tube starting from 7432 and decreasing at a speed of 1/10 second until 7398 and keep displaying this n...[Details]
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Since the second half of 2019, the large-scale construction of 5G has gradually arrived, and the demand for RF front-end has also increased day by day. At the same time, the US ban has accelerated th...[Details]
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With the widespread application of embedded systems, various small terminals need to develop USB interfaces to connect with the outside world. At present, there are two commonly used technologies. The...[Details]
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introduction
In today's modern life, buses are the most important part of urban transportation. Their operating efficiency and service quality greatly affect urban traffic conditions and c...[Details]
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According to customs statistics on June 7, in the first five months of 2024, the total value of my country's import and export of goods trade (hereinafter referred to as "import and export") was 17...[Details]
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A/D Converter A/D converter, also known as analog/digital converter, as the name suggests, digitizes analog signals. Since the actual processing objects of the system are often some analog quanti...[Details]
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environment: Host: WIN8 Development environment: MDK5.13 MCU:STM32F407IGH source code: drv_power.h /********************************************************************* * Power module driver...[Details]
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Changde Yilida Computer Network Co., Ltd., located on Langzhou South Road, Wuling District, Changde City, Hunan Province, installed a small photovoltaic system on the roof of its company building. ...[Details]
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Starting from February 4, Hangzhou, Zhejiang Province implemented closed management for all villages, communities, and units in the city. On the same day, several provincial capital cities includin...[Details]
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1. Introduction
Power electronics technology is a discipline that studies the use of power semiconductor devices to achieve power conversion and control. It is an emerging interdisciplinar...[Details]
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A few years ago, researchers at MIT successfully developed an encrypted ID tag. Compared with traditional radio frequency tags (RFID), this kind of tag is smaller, more affordable and more secure. It...[Details]
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1. Check the quality of electrolytic capacitors with the resistance range of a multimeter
The two leads of electrolytic capacitors are divided into positive and negative. When checking the qual...[Details]
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My roommate always forgets to bring his keys, so I made a simple fingerprint lock. Six people in the dormitory use it. This is the first time I upload it. It's quite crude. I wrote a very detailed co...[Details]
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Have you ever needed a simple, low-cost latch circuit? Figure 1 shows such a circuit that provides power-failure protection with only a few dollars’ worth of components, essentially a silicon-control...[Details]