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O Introduction Surface discharge ceramic chip is a widely used ozone generating element. The supporting driving power supply generally adopts self-excited circuit. Ordinary self-excited circuits...[Details]
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Implementing multi-core (including homogeneous or heterogeneous) and multi-threading technology in embedded devices can indeed bring many benefits, especially in improving system performance. Altho...[Details]
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Electricity and magnetism are phenomena that have always existed in nature. In addition to the naturally existing electromagnetic fields, people have also developed electrical appliances to facilitate...[Details]
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The United States has added Huawei to the export control blacklist, and the U.S.-China trade dispute has expanded from a tariff war to a technology war. Scholars believe that compared with raising ta...[Details]
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(1) Buck type, which is characterized by high noise, difficulty in filtering, high voltage stress on the power switch tube, and floating control drive level, so it is rarely used.
(2) Boost/buck ty...[Details]
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The basic control of the motor has three locks, namely self-locking, interlocking and interlocking. These three locks play a vital role in the entire process of motor control. It is necessary to un...[Details]
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01Overcurrent (OC)
Overcurrent is the most frequent inverter alarm phenomenon.
(1) When restarting, the circuit breaker trips as soon as the speed increases. This is a very serious overcu...[Details]
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A Macworld reader noticed that his iPhone 4S was losing power very quickly, and found that the culprit was a protective case with an external battery. After using this case, the iPhone foolishly th...[Details]
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How to use a digital oscilloscope effectively in analog circuits, such as measuring small signals of audio amplifiers and noise of power supplies? Issues that require attention include: ① The ground...[Details]
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According to foreign media reports, on May 7 local time, Kia launched the Blind Spot View Monitoring (BVM) technology on its latest Kia Sorento SUV model. It is hailed as a "second pair of eyes" desi...[Details]
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Jiwei.com reported on January 4 that OPPO CEO Chen Mingyong pointed out in his New Year's speech that OPPO's next direction is to become a leader in the era of the integration of all things. To achie...[Details]
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Compared with traditional lighting methods,
LED lighting
has many unique features, mainly in the following aspects: from a structural point of view, the light source and lamps of traditio...[Details]
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When using the STM32 ADC to detect voltage, the calculation of the voltage value must be involved. In order to obtain the voltage more efficiently, there are now three methods:
The result you get is ...[Details]
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Yesterday, OnePlus officially started preheating OnePlus 9RT, which will be officially launched in the online press conference on October 13. OnePlus officially announced the specific configuration ...[Details]
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I: Introduction
I have been porting minigui in recent days. I have never used the minigui interface before. I want to see what the effect is and learn it by the way. After all, it is made in Ch...[Details]