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At present, single-chip microcomputers have been widely used in electronic products. Many types of single-chip microcomputers have internal A/D conversion circuits, but the price of such singl...[Details]
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In use, a dedicated ground resistance tester is expensive and inconvenient to purchase. Can I use a multimeter to measure the ground resistance? The author used a multimeter to conduct experiments on...[Details]
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The final list of the 2019 "China Good Brand" selection initiated by Shanghai Media Group | Interface News was announced. Saudi Basic Industries Corporation (SABIC), a world-renowned diversified chem...[Details]
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On the morning of February 23, the Mobile World Congress (MWC2021) officially opened at the Shanghai New International Expo Center. At this exhibition, AAC Technologies (AAC) brought dozens of the la...[Details]
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1. The emergence of LED has broken the design methods and ideas of traditional light sources. There are currently two latest design concepts. 1. Scenario lighting: Scenario lighting was proposed by P...[Details]
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The crystal oscillator of
the microcontroller The crystal oscillator of the microcontroller generally adopts a three-terminal (Colpitts) AC equivalent oscillation circuit; in the actual crystal ...[Details]
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When Qishan County meets photovoltaics, Qishan will have bluer skies, clearer water and a more beautiful environment! When photovoltaic systems meet micro inverters, this 21.84kW project in Qishan,...[Details]
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OPPO announced that the Fengshen flagship Find X7 series, which will be released on January 8, will be equipped with the world's first dual periscope imaging technology, leading mobile imaging into t...[Details]
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Today, Beijing GigaDevice Technology Co., Ltd. (hereinafter referred to as "GigaDevice") released its 2020 third quarter report, showing that its net profit in the first three quarters was 673 millio...[Details]
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In January 2020, there was one power-related personal injury accident in the country, injuring eight people, a decrease of two accidents and three deaths year-on-year. Among them, there was one pow...[Details]
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In recent years, with the continuous development of LED lamp packaging technology and heat dissipation technology, the stability of LED lamps has reached a relatively good level. The main causes of...[Details]
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As one of the main components of the magnetic flap level gauge, the measuring float is the part of the magnetic flap level gauge that contacts the measured liquid. Different measuring media have di...[Details]
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Working principle of wound rotor asynchronous motor
The working principle of the wound-rotor asynchronous motor is based on the principle of electromagnetic induction and the rotor motion stat...[Details]
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/* Name: Use of 74HC595 Description: 74HC595 is an 8-bit serial input and parallel output shift register: the parallel output is a three-state output. On the rising edge of SCK, the serial data is ...[Details]
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The continuous development of the automotive industry has enabled more and more technologies to be integrated into cars, which not only makes daily driving more convenient, but also enhances drivin...[Details]
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