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Someone asked: What does /*lint !e750... */ mean in the code? To answer this question, we need to involve the PC-Lint tool mentioned in this article. 1Written in front Those of you w...[Details]
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Frontier: I have recently been working on the USB Bootlader/IAP function of STM32, that is, to implement firmware upgrades through USB. This article introduces the basic ideas for implementation, hop...[Details]
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1. Hardware Solution This wireless multi-channel anti-theft alarm consists of 1 receiver and multiple transmitters. The receiver can receive alarm signals from multiple transmitters (their frequencie...[Details]
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According to foreign media reports, although the current situation of the global semiconductor market is not optimistic, under the influence of the decline in demand for consumer electronics products...[Details]
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As a leading automobile company in Europe and even the world, Volkswagen has made great progress in electrification transformation. In March 2021, it announced at its "Power Day" that it would build ...[Details]
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The concept and working principle of frequency converter
A frequency converter is an electronic device that adjusts the output frequency according to the input signal. It consists of an input ...[Details]
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This is a program controlled by two C51 chips. The first one is the alarm timer:
Code:
#include at89x51.h
unsigned char a ={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
unsigned cha...[Details]
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According to the Daily Telegraph, just before reaching a settlement with Qualcomm, Apple had just poached Umashankar Thyagarajan, Intel's chief 5G modem developer. The poaching is no longer a s...[Details]
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0 Introduction
With the continuous development of measurement and control technology, it has become a development trend to apply embedded operating systems to the field of measurement ...[Details]
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In the operation of controlling 12864, the reading and writing operation of the LCD is the most basic and lowest-level operation, and is the basis of all other operations.
The 12864 LCD serial connec...[Details]
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① NOR start: ② nand start: The reason why g_char mentioned last time cannot be output correctly according to the program is that when nor is started, g_char is in nor flash, and its non-writable ...[Details]
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The wireless charging market continues to heat up. As smartphone manufacturers such as Samsung, Nokia, HTC and LG expand their models that support wireless charging technology, the development of thi...[Details]
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Mo Dakang June 15, 2020 The United States continues to use national power to strangle Huawei and try to hinder its 5G progress. Although this new precision strike will not be implemented until Septem...[Details]
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Recently, Alexander Everke, CEO of sensor supplier ams, said that a list of potential buyers has been drawn up for OSRAM's digital business, and if it can successfully acquire OSRAM, the business wil...[Details]
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01
Information security requirements
This chapter mainly introduces the information security requirements from four aspects: hardware security, system security, communication security, an...[Details]
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