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In the previous lesson, we learned the basic theoretical knowledge of the new digital temperature sensor DS18B20, and had a comprehensive understanding of the characteristics and applications of ...[Details]
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Today (26), Beijing GigaDevice Technology Co., Ltd. issued an announcement on the plan for senior management to reduce their shareholdings through centralized bidding. The announcement shows that d...[Details]
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For high-power
UPS
, if the UPS rectifier is a three-phase full-controlled bridge 6-pulse rectifier, the harmonics generated by the rectifier account for nearly 25-33% of all harmonics, whi...[Details]
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0 Introduction
In rural centralized water supply projects, many use high-level water tanks to supply water based on the terrain to solve the problem of centralized water supply difficulties. Th...[Details]
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Non-volatile memory is used to store important data such as executable code or constant data, calibration data, safety performance and protection safety related information for future retrieval. So, ...[Details]
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The following introduces the principle of PIC microcontroller and 16-bit serial D/A conversion:
1. Basic principles
The D/A converter is equivalent to a decoding circuit...[Details]
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Yesterday, the Ministry of Industry and Information Technology and the State-owned Assets Supervision and Administration Commission issued the "Notice on Carrying out the 2019 Special Action to...[Details]
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Buck converter
circuit: Buck chopper, input and output polarity are the same.
Since the volt-second product of inductor charge and discharge is equal in steady state, therefore:
(Ui-Uo)...[Details]
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On June 27, 2019, OPPO officially announced that its "network-free communication technology" will be officially put into production. By then, you will no longer need a SIM card to make calls or send ...[Details]
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Keithley source meter SMU instruments provide current or voltage, and measure current, voltage, and resistance with high accuracy. SMU instruments provide intelligent solutions for backup power suppl...[Details]
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LNG, which is mainly composed of methane, is recognized as the cleanest fossil energy on earth. With the enhancement of people's environmental awareness and the advancement of science and technolo...[Details]
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At the end of last year, Xiaomi Mi 11 was officially released. It was the first to launch the Snapdragon 888, equipped with a 2K top-level 120hz Samsung screen and Harman Kardon dual speakers, and co...[Details]
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Recently, the China Association of Automobile Manufacturers conducted a survey on 212 auto parts companies. Affected by the epidemic, the operating income of most companies will suffer certain losses...[Details]
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DID is the abbreviation of Digital Information Display. It is widely used in security monitoring in various industries. As its unique
display
technology, it is different from ordinary
L...[Details]
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LEDs
are increasingly used to generate light
in electrical products
, for example, in
LCD TV
backlighting applications, LEDs have replaced traditional cold cathode fluorescent lamps (...[Details]