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#include
#define uint unsigned int
#define uchar unsigned char
uchar shi,ge,t,sec,write;
uchar code table ={0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f} ;
sbit sda=P2^0;
sbit scl=P2^1...[Details]
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Agilent Keysight N5173B RF Generator The N5173B is a 40 GHz RF generator from Agilent Keysight HP. feature Balance budget and performance to address parametric testing of microwave components and...[Details]
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AMD has been in the limelight recently. In addition to being well received by consumers, the recently released third-generation Ryzen CPU and Radeon graphics card have also seen a strong rise in AMD'...[Details]
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1. __main function The __main function is a function of the C/C++ runtime library. The embedded system must have an initialization process before entering the main application program. When using the...[Details]
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The need for a universal charger As more and more consumer electronic devices switch to battery power, how to charge these devices has become an important issue. We all remember the variou...[Details]
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On the evening of October 11, Will Semiconductor released its performance forecast, saying that the net profit in the first three quarters is expected to be about 3.252 billion yuan to 3.652 billion ...[Details]
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; For the buzzer, any small passive or active 5V buzzer can be used. After testing, it is found that the passive buzzer works better. Connect it to the P1.2 port. It is best to use a transistor to amp...[Details]
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Multi-machine communication refers to data transmission between two or more computers. Master-slave multi-machine communication is the simplest and most widely used type of multi-machine communicat...[Details]
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There are many types of slide projectors in different shapes, but their optical system structures are basically the same.
1. The imaging process of a slide projector
The lens of th...[Details]
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For Apple, they are already polishing the upgraded version of iPhone 12. What upgrades will the new generation of models have compared to the current ones? Now, Digitimes has also revealed some det...[Details]
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With the full implementation of the Internet+ strategy, China Telecom Nanjing Branch actively seized the development opportunities, optimized the allocation of telecommunications resources, and built...[Details]
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The concept of noise is very broad. In many cases, we regard the spectrum analyzer as a receiver, and noise and signal-to-noise ratio often mean the same thing. Noise does not appear directly in the ...[Details]
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Panasonic plans to start trial production of 4680 batteries in Japan in March 2022. Recently, Panasonic revealed to the Wall Street Journal that more than a year after Tesla launched its new batter...[Details]
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Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
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System functions Use the AVR internal timer for 1S timing and use LED for simple indication! hardware design For details about the I/O structure and related introduction of AVR, please refer to the...[Details]
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