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LED Lamp is mainly composed of five materials: bracket, silver glue, chip, gold wire and epoxy resin.
1. Bracket: 1) Function of the bracket: used for conduction and support 2) Composition of ...[Details]
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According to the resolution of IECEE AAG (AAG/563/DSH), from April 15, 2008, single or portable rechargeable batteries composed of alkaline or non-acid electrolytes, such as lithium batteries, a...[Details]
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Recently, Seedland Group launched the smart community autonomous driving car Hachi Auto. The vehicle operates in some urban communities in China, enabling more people to enjoy the convenient life bro...[Details]
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1. Excitation method of DC motor
The main excitation modes of DC generators are separately excited, shunt excited and compound excited.
1. Separately excited DC
motor
Figu...[Details]
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With the continuous development of electronic technology, there are many kinds of electronic equipment, which are naturally closely related to people's work and life. Any electronic equipment also ne...[Details]
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For hexagonal nuts, the commonly used standards are: GB52, GB6170, GB6172 and DIN934. The main differences between them are: GB6170 is thicker than GB52, GB6172 and DIN934, commonly known as thick nut...[Details]
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For a switching power supply engineer, it is common to make choices between one or more pairs of mutually opposing conditions. The topic we are discussing today is a pair of mutually opposing conditio...[Details]
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Today is the first sale day of Huawei Mate 20 X 5G version. Earlier, Huawei officially revealed that the number of reservations for this phone has exceeded one million across all platforms. It can be...[Details]
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I have been debugging a new hardware platform these two days, and the MCU it uses is still S3C2410. A new RTC module has been added to the platform, and the chip used is DS1337. This is an IIC interf...[Details]
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Today I finally got the s3c2410 lcd on skyeye. I saw some friends posting questions online, so I want to share with you. First of all, my skyeye is version 1.2.3, and the linux kernel version is...[Details]
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Atomic emission spectroscopy is a method of determining the chemical composition of a substance based on the spectrum emitted by atoms. Under normal circumstances, atoms are in a stable state with ...[Details]
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(1) M method: It counts the number of pulses output by the photoelectric encoder within a certain time interval and calculates the rotation speed. It is suitable for high-speed measurement of gener...[Details]
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Simulation error error30220 When using STVD software to simulate a program, sometimes an error occurs and a warning window of error 30220 pops up. The reason for this problem may be that the...[Details]
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According to a report by Taiwan Business Times on April 15, three employees of Chipson's Suzhou factory were diagnosed with COVID-19. Chipson said that in order to cooperate with the local government...[Details]
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Recently, at the Henan Provincial Independent Innovation System Construction Work Conference held at the Yellow River Guest House in Zhengzhou, the Henan Provincial Major Science and Technology Projec...[Details]
DSP and ARM Processors
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