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On December 8, OPPO announced that it will release the company’s second self-developed chip at the 2022 Future Technology Conference.
OPPO said that in 2020, OPPO proposed to develop three...[Details]
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Recently, I have a project that requires me to use a PIC microcontroller for development (I have never used it before). I encountered many problems that I don't understand. Here I summarize the probl...[Details]
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1. Hardware Solution This system consists of STC89C52 single-chip microcomputer, 44 matrix keyboard, buzzer, reset circuit and crystal oscillator circuit, relay, etc. The 44 keyboard is mainly used f...[Details]
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The wide applicability of the automatic test system is because the design of the automatic test system is not for a single test object, but for abstracting and classifying the functional test of th...[Details]
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Spectrum analyzers can be divided into two types according to their implementation methods: analog and digital. The former is based on analog filters, while the latter is based on digital filters a...[Details]
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As the "Plus" version of lithium iron phosphate and also a "good partner" of high-nickel ternary materials, lithium iron manganese phosphate materials have shined this year. Many companies including ...[Details]
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Chen Shu, winner of both the Magnolia Award and the Huading Award, joined Hisense Industrial Design Center for the first time as Hisense Art Experience Officer. She personally experienced many hig...[Details]
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Soft start is a motor starting method that controls the starting current of the motor to gradually accelerate the motor during the starting process, thereby reducing the current shock and mechanica...[Details]
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1. Calculation of maximum power capacity and maximum voltage capacity
* Formula 1: Maximum voltage capacity V = √ maximum power W × load impedance Ω
* Formula 2: Maximum power capacity W = max...[Details]
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Typical feedback circuit with optocoupler primary/secondary isolation
During startup, output voltage overshoot is a common problem. This is caused by the voltage feedback loop configured as an i...[Details]
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In the previous issue, we introduced the test setup of WLAN. In this issue, we will introduce the conduction test of WLAN terminals.
The test environment is shown in the figure below:
...[Details]
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We are no strangers to gas detectors, which are used in various industries, such as fire protection, petroleum, chemical industry, laboratories, etc. Does anyone know that we should pay attention to...[Details]
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In 2008, the Chinese government added operating frequencies of 868MHz to 868.6MHz for micropower (short-range) radio applications. The RF requirements for radio equipment are as follows:
(1)...[Details]
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The internal structure of the coffee machine is mainly composed of water tank, water pump, water heater, bean grinder, coffee powder bin, filter, coffee cup, etc. The water pump is the heart of the...[Details]
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BMW Battery Systems Production 随着 iX3 的价格发售,BMW 也发布了沈阳电池模组工厂和 Pack 工厂的信息,次条有模组制造的一些信息,我们来看一看模组制造中一些有意思的地方。在一期的时候也写过有关 530le PHEV 的工厂信息,那时候 PHEV 模组线也是全自动的,这次通过加建的 iX3 BEV 模组线和面向大型的电动汽车电池 Pack 制造线。 ...[Details]