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The single-chip microcomputer and its peripheral devices developed on the basis of microelectronics technology have brought instrument technology into a new era of intelligence. In addition, the ...[Details]
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DC tolerant current transformers have long been used to sense AC current in smart meters, but they have certain disadvantages and can be expensive. For some applications, resistive shunts are bette...[Details]
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1 Repeated short circuit test Test instruction When the module output is short-circuited under various input and output states, the module should be able to achieve protection or retraction. Afte...[Details]
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This article summarizes the design points of a relatively mature circuit obtained after nearly a hundred modifications, including microprocessors, power devices, half-bridge drivers, overcurrent pr...[Details]
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Previously, foreign media reported that iOS 16 will have built-in support for always-on display in preparation for the iPhone 14 Pro and iPhone 14 Pro Max to be released this fall. After the first be...[Details]
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I have been learning 51 MCU for more than a month. I stayed up all night to participate in a competition and wrote the OLED+DHT11 program. The MCU source program is as follows: #include "REG51.h" #...[Details]
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Volta Power Systems, a provider of lithium-ion energy storage equipment solutions, announced that it has partnered with Stellar Industries to provide lithium-ion power systems to reduce idle time for...[Details]
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In November 2019, Weichai Power Co., Ltd. (hereinafter referred to as "Weichai Power") and Tianjin Qingzhi Technology (hereinafter referred to as "Qingzhi Technology") signed a "Share Transfer Agreem...[Details]
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0 Preface Fragment velocity is an important parameter for evaluating the effectiveness of warhead explosion. Traditional range fragment velocity measurement systems mostly use multi-channel data acqu...[Details]
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//SPI1 port sends the number of void spi1senddata(uint8 data) { IO0CLR = le58_ctrl_cs; // Chip select S1PDR = data; while(0==(S1PSR&0x80)); // Wait for SPIF to be set, that is, wait for data...[Details]
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introduction Image sensors are used to sense the traffic environment and obstacle positions ahead, measure safe vehicle distances, and promptly warn vehicles in danger of collision, which is bene...[Details]
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The global patent protection community OIN (Open Invention Network) recently announced that Xiaomi Group has joined OIN as a community member. It is reported that OIN is a shared defensive patent p...[Details]
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introduction If you want to quickly complete the network protocol stack and USB OTG functions, it is best to use ST's own tool STM32CubMx. If you don't know how to use it yet, don't worry. I will tel...[Details]
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The PWM mode can generate a signal with a frequency determined by the value of the TIMx_ARR register and a duty cycle determined by the value of the TIMx_CCRx register. The PWM mode can generate a ...[Details]
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According to market data, my country's Internet of Things market size exceeded one trillion yuan for the first time in 2018, with an annual compound growth rate of over 25%; the global Internet of Th...[Details]
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