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Mechanical keys will shake when pressed, as shown in the figure below. This will cause multiple interruptions in the process of pressing a key, resulting in incorrect judgment. In the key driver, w...[Details]
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Motorola revived its iconic Razr flip phone last year, and now the company is said to be working on launching an upgraded sequel in North America as early as September this year. According to a...[Details]
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In test and measurement work, we will encounter such problems. The power rail voltage (rail voltage) and tolerance are getting smaller and smaller, and it is becoming more and more difficult to accur...[Details]
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I have been using stm8 recently. I need to use IAP upgrade in my project. At the same time, I need to use interrupts in BootLoader and App. I spent some time looking for many blogs, collecting everyo...[Details]
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0 Introduction
The PTZ controller designed with a single-chip microcomputer as the core can control the camera to move over a large range and at a wide angle in monitoring situations, so that ...[Details]
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Only the standby mode was tested, which achieves the lowest power consumption of the system. The schematic diagram is as follows. All soldered at the beginning, S2 is used to enter the standby mode,...[Details]
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The main purpose of this file is: Setting the Initial SP Set initial PC=Reset_Handler Set the vector table entry address and initialize the vector table Call SystemInit to set the system clock to 7...[Details]
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1. Introduction This circuit mainly consists of 51 microcontroller, LCD1602 module, PCF8563 chip and buttons. The current time is displayed through LCD1062, and the time can be set by pressing the bu...[Details]
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By utilizing the comparative characteristic design of the operational amplifier input, an operational amplifier fast tester is made, which can quickly and accurately determine the quality of the oper...[Details]
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WiMAX is the interface standard for IEEE802.16 Ethernet, just like Wi-Fi is the standard for 802.11 Ethernet. In the past two years, WiMAX has become the most popular term in the wireless network indu...[Details]
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According to Jiwei.com, on October 5, Unigroup Guoxin responded to investors' questions on the interactive platform, saying that when Yangtze Memory was established, in order to avoid potential compe...[Details]
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Entering the first year of 5G, Chinese mobile phone manufacturers have accelerated their layout in the 5G field, and most of the products they launched are equipped with 5G as standard. How sh...[Details]
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Analysis of Capacitance Current Tester Measurement Method
Traditional capacitance and current measurement methods include direct method and indirect measurement method. The direct method is to artifi...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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One of HMD's strengths with its Nokia phone range is that it has phones for just about every price and spec range, and at IFA 2019 the company announced the latest iterations of its mid-range phones:...[Details]
Analog electronics
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