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Design of constant current drive circuit for high brightness LED
Abstract: This article discusses a simple circuit that regulates the drive current of a high-brightness LED. The circui...[Details]
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#include
#define uchar unsigned char
#define uint unsigned int
sbit beep=P1^7;
bit startflag; //Define a scan start flag
bit irreceok; //Infrared reception OK flag
bit irprosok; //Infrared rec...[Details]
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The most basic chopper circuit is shown in Figure 1, and the chopper load is R. When the switch S is closed, UOUT=UR=UIN, and it lasts for t1 time. When the switch is turned off, UOUT＝UR＝0, and it ...[Details]
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0 Introduction
Traditional human-computer interaction relies on complex keyboards or buttons. With the development of science and technology, some new human-computer interaction methods have been b...[Details]
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In the previous article, we introduced the concepts of the object under test, dynamic testing, and test cases, and also raised the topic of how to save time and effort in evaluating automatically g...[Details]
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On September 22, the New Energy and Energy Storage Professional Committee of the Guangdong Electric Power Industry Association (hereinafter referred to as the "Professional Committee") and indu...[Details]
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Abstract: Based on the introduction of Flyback flyback DC/DC power supply and its performance, this paper mainly discusses the grid-side harmonics and its suppression, switch buffer circuit, optoco...[Details]
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The so-called Bluetooth technology is actually a short-range radio technology. The use of "Bluetooth" technology can effectively simplify the communication between mobile communication terminal device...[Details]
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Recently, Honor's upcoming Honor 70 Pro and Pro + have passed the national quality certification. The specific models are SDY-AN00 and HPB-AN00, and both support 100W fast charging. According to...[Details]
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In 2020, the semiconductor industry experienced the complexity and uncertainty of the global epidemic and international situation. As for how the industry will develop in 2021, Guangdong Xinju Energy...[Details]
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It all started 18 years ago when I started working on one of the first automotive CMOS image sensors for rear view cameras (RVC). At the time, having RVC to help drivers see behind the car wa...[Details]
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The high-resolution optical link diagnostic instrument (OCI) is based on optical frequency domain reflection technology (OFDR) and can easily test fiber link losses. The OFDR test insertion loss meth...[Details]
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Internal structure diagram of HA16114P 16120P
The figure shows the internal structure block diagram of HA16114P FP and 1621FP. The output logic circuit in the figure is a NAND gate for HA16114P ...[Details]
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Today, Huami Technology officially announced that Huami Technology and the team of Academician Zhong Nanshan will jointly build a wrist smart wearable joint laboratory! Together, we will promote the ...[Details]
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As a representative of China's new local forces, Xpeng Motors' series of actions in "reducing costs and increasing efficiency" in intelligence this year may further widen the gap with other automak...[Details]
Analog electronics
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