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C code:
/*************** writer:shopping.w ******************/
#include reg52.h
#define uint unsigned int
#define uchar unsigned char
sbit Signal = P1^0;
sbit BEEP = P3^7;
void Delay(uint...[Details]
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A DS18B20 with a large error value caused me a lot of trouble. I always thought it was a program error, so I changed it and it worked! It took me three days to check the program
/*This program is an ...[Details]
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Facebook's open source Time Card uses the u-blox ZED-F9T precision timing module to easily achieve nanosecond-level timing.
Shanghai, China - October 25, 2021 - u-blox (SIX:UBXN), a gl...[Details]
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In the Jiangsu, Zhejiang and Shanghai regions, electricity prices for industrial and commercial use have always been attractive for investment.
For example, the average electricity price i...[Details]
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Looking ahead to 2019, it’s exciting to know that, with nearly 10 years to go, the automobile is in the midst of its biggest transformation since its invention more than a century ago. With the conti...[Details]
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The MCS51 series single-chip microcomputer At89S51 is used as the main controller, and the peripheral circuit devices include digital tube driver, independent keyboard, reset circuit, etc. The hardwa...[Details]
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All instruments that generate test signals are collectively referred to as signal sources.
Also called a signal generator , it is used to generate electrical test signals of specific parameters req...[Details]
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Recently, according to Korean media The Elec, Samsung will mass-produce Qualcomm Snapdragon 865 processors by the end of 2019, using Samsung's EUV 7nm process. The architecture and main frequency o...[Details]
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With the accelerated arrival of the information age, the use of IC cards in China has become more and more common, and has been widely covered in many fields such as telecommunications, social securit...[Details]
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In the previous section, we introduced the porting of the STM8 standard library. In this section, we will start to learn the peripheral drivers of our microcontroller. The basic peripheral informatio...[Details]
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The same as C calling assembly, the first four parameters are passed using R0-R3, and the rest are passed using the stack Test this program: //*******************************************************...[Details]
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introduction In the process of film interpretation, it is often required to count the number of negatives and automatically locate the negatives at different positions to facilitate searching and mag...[Details]
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Source: China IC Technology Market 1 Introduction
With the rapid development of technology in the field of modern communications, the entire system has put forward higher requirements for analog-...[Details]
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The latest developments in mobile computing will be showcased at the 2019 Berlin Consumer Electronics Show (IFA), including the early release of the first wave of new notebook computers (NB) verified...[Details]
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1. Kernel modification
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Make the Bluetooth core into a module.
And configure as follows,
Blueto...[Details]