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The program design of this system mainly includes two parts, namely the firmware program of the USB interface part and the CH372 driver on the computer side. The former mainly includes the initiali...[Details]
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introduction
The three-phase asynchronous motor is an induction motor. During operation, its rotor and stator magnetic fields rotate in the same direction but at different speeds, and there is...[Details]
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0 Introduction
With the continuous development of electronic equipment technology and the continuous increase of product functions, in general, product functions usually require the cooperation of m...[Details]
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Murphy's Law tells us that "what can go wrong, will go wrong". In the testing or production process of video equipment, problems often occur when we least want them to happen and when it is most incon...[Details]
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Introduction Analog signals must be converted by A/D before they can be received by embedded controllers. However, after interference acts on analog signals, their A/D conversion results often devia...[Details]
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In a previous blog post, we explored the basic concepts of vehicle detection using magnetometers. This week, we will take a closer look at ideal sensor placement and some of the challenges in vehic...[Details]
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On September 8, Apple officially announced that it will hold a new product launch conference on September 15 (September 16, Beijing time). It is rumored that Apple will launch products such as the iP...[Details]
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Fault phenomenon Self-test error: 640 650 561 Testing process After testing, it was found that the instrument channel component was damaged, causing the error. Repair process After replacing dama...[Details]
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introduction
Wireless sensor networks (WSNs) are a hot research field that is currently attracting much attention internationally and involves a high degree of cross-disciplinary researc...[Details]
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Although in
analog
quantity acquisition systems, it is generally recommended not to use
switching
power supplies
for ADC chips, etc.
, in order to avoid inherent problems such ...[Details]
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0 Introduction
The rapid development of the LED industry has brought a great impact on lighting and decoration, especially the combination of LED and automobiles is a hot topic at present. LEDs...[Details]
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We often encounter
the situation that
LEDs
do not light up. Packaging companies, application companies, and units and individuals who use them may encounter this. This is what people in the ...[Details]
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Some people think that Apple has run out of ideas for this year's iPhone 11 series. Except for chips and iOS systems, none of them will be surpassed by domestic mobile phones. In fact, that is wrong....[Details]
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As a new light source, in recent years, major companies and research institutions
have been conducting research
on LED
power supplies
and
drive
circuits
. Unlike the
electro...[Details]
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According to the control of the LED drive current output end, it can be classified into three dimming methods. The control circuit can also be divided into analog control and PWM control. The contr...[Details]
Microcontroller MCU
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