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When it comes to injections, there are probably two types of people in the world who would be horrified: one is diabetic patients, and the other is children who need to be vaccinated. For the first t...[Details]
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Scheduled! Xiaomi’s official Weibo account announced today that on September 24th, the #小米5G新品发布会# will bring two 5G smartphones at once: Xiaomi 9 Pro 5G and Xiaomi MIX 5G era concept phone, as well ...[Details]
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Zhang Jianheng, deputy to the National People's Congress and general manager of Lucky Film Group, was a guest on the "China Economic Online Interview" column today. When talking about the successful s...[Details]
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1. Circuit Principle and Characteristics
1. Power amplifier part (see Figure 1)
The differential amplifier circuit is composed of VT1 and VT2, and the static current of each tube is...[Details]
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1. This article mainly explains the transplantation of U-boot on mini2440-S3C2440. The version used is U-boot-2009.11_tekkaman-master, download address: https://download.csdn.net/download/jinanhezhua...[Details]
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Dual Tone Multi-Frequency (DTMF) signaling is gradually being used on touch-tone telephones around the world. It quickly replaced the dial pulse signaling used in traditional rotary phones because it...[Details]
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With the rapid development of information and technology, service robots have been widely used in all walks of life. Service robots can independently complete various service tasks, such as navigat...[Details]
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Meter head: and the part used to display the value, is a highly sensitive magnetoelectric DC ammeter, known as the "heart" of the multimeter, and is used to indicate the measured value. The primary f...[Details]
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1. Software installation Note: Before installing the DC Charger Characteristics Tester Data Management System , please install the office software containing excel first. 1.1 Software operating env...[Details]
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The Proteus simulation circuit diagram is as follows: (There will be a clear picture after downloading the simulation file)
There are circuit diagrams and programs. The circuit is from isis and ...[Details]
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An important goal in double-pulse testing is to accurately measure energy loss. For accurate power and energy testing in an oscilloscope, the key step is to calibrate the voltage probe and current pr...[Details]
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Recently, Zhejiang Provincial Energy Big Data Center has newly connected 751 35kW/70kWh or above user-side electrochemical energy storage station data, achieving 100% real-time monitoring of 778 large...[Details]
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According to "How do you view the future development of the battery industry in Europe?", after a year, Northvolt's development pace seems to be relatively smooth. Judging from the current developmen...[Details]
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In recent years, digital television technology has developed rapidly. Digital video mixers can mix two or more digital video signals into one or more digital video signals according to certain algo...[Details]
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On the morning of November 5, 2024, Dalian Rongke Energy Storage Group Co., Ltd. held a donation ceremony for the Rongke Energy Storage Education Fund and Yanhui Scholarship at the Sixth Junior High S...[Details]
DIY/Open Source Hardware
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