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The circuit of the intelligent digital display flow meter is shown in Figure 1. In addition to the core control device microcontroller AT89C2051, the circuit also includes non-volatile memory device ...[Details]
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Solid-state lighting (SSL) or light-emitting diode (LED) lighting is the obvious replacement for incandescent and FL/CFL lighting, driven by government regulations, high efficiency, long life, and ...[Details]
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On June 24, in order to handle the proposal No. 0031 of the 13th Second Session of the Jiangsu Provincial CPPCC, Zheng Qinghe, Deputy Director of the New Energy Industry Department of the Provincial D...[Details]
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my country's photovoltaic industry has a significant high growth trend and plays an important role in the international market. It has achieved end-to-end independent control and is expected...[Details]
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Summary As point-of-care testing (PoC) continues to gain popularity, the number of in vitro diagnostic (IVD) tests performed outside of automated laboratory settings has increased significantly. T...[Details]
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Introduction to Modbus Protocol
The following only discusses the content of Modbus protocol related to this article.
1.1 Data transmission mode of Modbus protocol
Modbus protocol defines two...[Details]
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In commonly used low-voltage power supplies, capacitors are used to reduce voltage (actually capacitors are used to limit current) compared to transformers. Capacitors are smaller, more economical...[Details]
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On July 22, the signing ceremony of the GPP chip production project of Jinan Lanxing Electronics Co., Ltd. was held, marking the official establishment of the project in Liangping, Chongqing. It is...[Details]
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According to news on October 25, analysis agency Canalys predicts that China’s automobile exports will reach 5.4 million units in 2023, of which new energy vehicles will account for 40%, reaching 2.2...[Details]
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On April 29, the United States further intensified its blockade of China and even did not want ASML to provide after-sales maintenance services for the lithography machines it had already sold to C...[Details]
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Today, I encountered some problems when using the USART module and solved them, so I posted them to share.
Problem description:
When using USART for serial communication, I only turned on the rece...[Details]
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Adding a current-limiting circuit to the emitter-follower output stage of a power amplifier or linear regulator protects the output h transistor and downstream circuitry from excessive current . ...[Details]
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The imagination brought by the "new four modernizations" of automobiles to the entire industrial chain is continuing to expand, especially the underlying chips.
"With the introduction of...[Details]
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A new error amplifier with high gain, wide bandwidth and controllable output swing is designed. By adding two comparator modules A2 and A3, the output swing of the error amplifier can be adjusted wit...[Details]
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Apple is said to be considering launching its own cloud gaming service, similar to Nvidia's GeForce Now and Google's Stadia, and claims that Apple is internally discussing options based on Apple Arca...[Details]
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