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Chengdu Bogao Information Technology Co., Ltd. uses Semtech’s LoRa® devices and LoRaWAN® protocol to create the “Bogao Electric Butler” smart charging solution, which can remotely monitor and inte...[Details]
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0 Introduction
APT attack, or Advanced Persistent Threat (APT), refers to an attack form in which an organization or a small group uses advanced compound attack methods to carry out long-term ...[Details]
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The figure shows the application circuit of the TTL level controlled voltage stabilized power supply composed of W723 multi-terminal adjustable integrated voltage stabilizer. The output voltage of th...[Details]
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The memory of MCS-51 is not only divided into ROM and RAM, but also into on-chip and off-chip. The internal memory of MCS-51 is integrated inside the chip and is a component of MCS-51; while the off-...[Details]
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stm32 serial port interrupt: USART_IT_PE (Parity Interrupt) USART_IT_TXE (Transmit Interrupt) USART_IT_TC (Transfer Complete Interrupt) USART_IT_RXNE (Receive Interrupt) USART_IT_IDLE (Idle Bus Inter...[Details]
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What are harmonics?
When the voltage or current waveform in the power grid is not an ideal sine wave, it means that it contains voltage or current components with a frequency higher than 50Hz. ...[Details]
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On October 20, Guoxuan High-tech issued an announcement: its wholly-owned subsidiary Hefei Guoxuan High-tech Power Energy Co., Ltd. (hereinafter referred to as Hefei Guoxuan) received a winning not...[Details]
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Accelerometers can be used in instruments to measure acceleration and to measure inclination. Inclination measurements can be considered "DC" or steady-state measurements. In theory, acceleration can...[Details]
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introduction
Blood pressure is an extremely important health indicator. The accuracy of blood pressure measurement is directly related to people's health. The state has
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sphygmo...[Details]
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Realizing data "value-added" through "processing" is the "empowerment" of data in the Internet era, and it is also the foundation for the construction of ubiquitous power Internet of Things.
S...[Details]
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Road lighting is public lighting and is controlled by the government. Due to the characteristics of LEDs such as high efficiency, environmental protection, energy saving and long life, LED light so...[Details]
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introduction
With the rapid development of microelectronics and computer technology, many embedded application systems have emerged. Among them, various speech processing systems have been...[Details]
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Nowadays, most mobile phones support wireless charging. Just put the phone on the wireless charging pad to charge it. Although the speed of wireless charging is slower than wired charging, it is simp...[Details]
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STM8 clock source: 1. 1~24MHz high-speed external crystal oscillator (HSE), that is, external crystal oscillator 2. 1~24MHz high-speed external clock signal (HSE), 3. 16MHz high-speed internal RC o...[Details]
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1. The serial port receives data in query mode, and displays the data on the PB port and returns it. 2. The internal 1M crystal oscillator, the program uses a single task mode, and the software delay...[Details]