Hello everyone, I don't quite understand this circuit. I can understand the +5V boost to +13V, but
(1) I don’t quite understand how the voltage is increased to +18V.
(2) How is this +18V calculated?
(...
Portable Environmental Status Detector
Author:jinglixixi
I. IntroductionThe portable environmental status detector is a work based on the ESP32-S2-Kaluga-1 development board. With the addition of exte...
LED luminous characters are advertising sign products that use LED lights as light sources. They are popular among advertisers for their diverse colors, uniform lighting effects, energy-saving and hig...
1. Why do operational amplifiers oscillate: an intuitive analysis of two common causesThe first case is related to capacitive loads (Figure a). The resistor is the open-loop output resistance of the o...
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On June 6, Hongda Electronics released a plan for a private placement, showing that the company plans to raise no more than 1 billion yuan through a private placement, of which 620 million yuan will ...[Details]
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Video conferencing is an organic combination of images and sounds. In order to achieve the desired effect, it is necessary to make preparations and debugging in advance according to the operating proc...[Details]
Heat dissipation, driver power supply, and light source are the most critical parts of making a good LED lighting product. Although heat dissipation is particularly important and the heat dissipa...[Details]
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Traditional single-chip microcomputer system development is always inseparable from simulators and programmers. With the rapid development of electronic and computer technology, single-chip microco...[Details]
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According to foreign media reports, an international research team including two Skolkovo Institute of Technology (Skoltech) scientists have experimentally proved that the long-standing explanation f...[Details]
The measurement of cutting force is not only conducive to studying cutting mechanism, calculating power consumption, optimizing cutting amount and tool geometric parameters, but more important...[Details]
Tactile Heart Music Box Delivers the Perfect Beat: A Unique DIY Tactile Experience
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According to Jiwei.com, on December 8, Guolin Technology announced that the company held the twelfth meeting of the fourth board of directors on December 7, 2021, and reviewed and approved the "Propo...[Details]
This article analyzes the existing dimming solutions and makes several bold predictions:
(1) Silicon-controlled dimmers will become history along with incandescent lamps
(2) Electronic di...[Details]
Although China's distributed photovoltaic market has shown some chaos in recent years due to its rapid outbreak, the speed of market reshuffle is also accelerating. Some companies with strategic visio...[Details]
China Energy Storage Network News:
At this year's "Two Sessions" of State Grid Corporation of China, Chairman Kou Wei made a profound analysis of the current situation facing the company, sys...[Details]
On the afternoon of October 9, 2024, China Sodium Energy Storage Technology Co., Ltd. (hereinafter referred to as "China Sodium Energy Storage") was invited by Northwest Nonferrous Geology and Mini...[Details]
Analog electronics
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