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Code: #include reg52.h typedef unsigned char u8; typedef unsigned int u16; /********Port definition************/ #define DATA P0 sbit seg_sel = P1^4; sbit bit_sel = P1^5; sbit start = P3^2; sbit st...[Details]
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1. Half-wave rectifier circuit
The half-wave rectifier circuit is shown in Figure Z0702. It consists of a power transformer
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, a rectifier diode D and a load resistor RL. The prim...[Details]
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Nowadays, among embedded processor chips, the processor with ARM7 as the core is the most widely used one. It has multiple working modes and supports two different instruction sets (standard 32-bit A...[Details]
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1. Place the instrument in a horizontal position and check whether the pointer of the galvanometer is on the center line. If not, use the zero adjuster to adjust it to the center line.
2. ...[Details]
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According to news on February 20, according to Qichacha, the patent for "Driving Early Warning Method and Device" applied by Huawei Technologies Co., Ltd. was officially announced. Image source:...[Details]
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Recently, the well-known domestic AI chip company Tanjing Technology released the second generation of the Sound Cyclone series, including three chips: VOI311 (light version), VOI621 (upgraded versio...[Details]
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The first step is to open the ST official website. You can see that the webpage language can be selected in the upper right corner. As shown below: The second step is to point the mouse to the "...[Details]
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As energy and environmental problems become increasingly serious, the development and application of various clean energy sources have received increasing attention. Among them, the use of solar en...[Details]
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Abstract: Aiming at the current problems of safety and energy waste in power chargers, a design method for a safe and energy-saving power controller that can be applied to mobile devices is propose...[Details]
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On March 5, Huawei and vivo announced that they had signed a global patent cross-licensing agreement. The agreement covers basic patents on cellular communication standards, including 5G standards. ...[Details]
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The total transaction volume of Samsung Pay, a mobile payment service operated by Samsung Electronics Co., exceeded 40 trillion won (33.68 billion U.S. dollars) at the end of April, 44 months after i...[Details]
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Correct grounding of lifting machinery is an important safety protection measure to effectively prevent electric shock to operators during its use. Inspectors correctly identify t...[Details]
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1) The role of resistance The resistor connected between the power supply and the reference point (1) Function: Set the reference point level to high level by default The ...[Details]
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On March 16, Broadcom Integrated released an announcement stating that the company recently received the "Acceptance Notice" No. (2021) Hu73ZhiMinChu410 from the Shanghai Intellectual Property Court,...[Details]
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At present, the Internet of Things ( IOT ) is developing rapidly. This paper introduces a wireless multi-band WSN gateway that can monitor the operation of wireless sensor subnet nodes in multi...[Details]