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vivo registered several product names last year, one of which is the "vivo Pad" tablet that is expected to be launched in January this year. However, this did not happen. But after a suspected vivo ...[Details]
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I remember that I spent a lot of time to build a Keil project a long time ago. Here I will write down the basic Keil project creation method to prevent myself from forgetting it in the future:
Ne...[Details]
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Recently, Haizhibo, a supplier of core components for smart travel, completed a tens of millions of yuan A+ round of financing, exclusively invested by Shunwei Capital. In May 2019, Haizhibo was est...[Details]
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According to DVBCN Radio and Television Network, at the 2019 Communications Industry Conference and the 14th Communications Technology Annual Conference held on December 19, Li Shuang, deputy directo...[Details]
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All physical system designs require analog and digital functions. Modular, programmable design in this area is essential to meet the high standards of future applications. Therefore, more and mor...[Details]
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In recent years, with the rapid development of production technology, the brightness of LEDs has been improved and their lifespan has been extended. In addition, the production cost has been greatl...[Details]
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This application note describes a simple method of using an external analog voltage to change the resistance of a digital potentiometer. A Microchip PIC12F683 microcontroller is used to convert the a...[Details]
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In the timer circuit designed using the 555 time base circuit, the 555 time base circuit is generally connected to a monostable trigger. This connection makes the circuit design simple and only req...[Details]
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“Install ETC and travel on highways without queuing”, “Apply for ETC online and have the equipment delivered directly to your home!”, “Drive on highways at a 10% discount and pass customs faster”, “T...[Details]
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1. Why use an operating system?
(1) When we usually write code, we usually write it like this:
#include "reg51.h"void main(){ while(1)
{
dosomething(); //User's program
}
}
This is th...[Details]
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The LED driver reference design presented in this article provides 700mA constant current drive for a string of LEDs with forward bias voltages up to 60V. This design can perform PWM dimming based on ...[Details]
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#include
typedef unsigned char uchar;
typedef unsigned int uint;
/*****18B20 interface definition********/
#define DQ1 P1OUT |= BIT6
#define DQ0 P1OUT &= ~BIT6
#define DQ_in P1DIR &= ~BIT6
#de...[Details]
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Recently, the intelligent chassis company Yupan Technology has completed seed and angel round financing, with a total financing amount of nearly 100 million yuan. Among them, the seed round financi...[Details]
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According to China Optics Valley news, on January 13, Wang Zhonglin, member of the Standing Committee of the Hubei Provincial Party Committee and Secretary of the Wuhan Municipal Party Committee, and...[Details]
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The ambient light sensor UI202, which conforms to the human eye spectrum characteristic curve, detects the ambient illumination, and the A/D conversion inside the microcontroller converts the illum...[Details]
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