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Smartphones have been around for more than a decade. With the increasing popularity of smartphones, mobile phone chips, a supply chain product that was rarely paid attention to in the early days, hav...[Details]

#include "STC15F-15W.h" #include "LCD16024L1.h" /******** Data definition******/ unsigned char code uctech = {"0123456789ABCDEF"}; unsigned char code net = {"www.51hei.com"}; void main(void) { dela...[Details]

Since 2011, due to multiple factors such as overcapacity, the European debt crisis, and the US "double-reverse" investigation, the IPO process of many domestic photovoltaic companies that are plann...[Details]

Figure 252 is the circuit diagram of the electronic rodent eliminator. The 220V mains voltage is boosted to about 300V by the autotransformer B, and then rectified by the diode to charge the capacito...[Details]

An electronic leak detector is a detection instrument with very powerful functions. So what are the functions of an electronic leak detector? How to maintain it during use? Here I will introduce to yo...[Details]

It was still the combination of 89C52 and 12232. But there was no datasheet for this 12232. In the end, I relied on my own analytical skills and a little trust in the seller's information (which now s...[Details]

In addition to capacitors, resistors are also very important in electronic products, such as varistors. Varistors are resistors with nonlinear volt-ampere characteristics, and their resistance mate...[Details]

　　0 Introduction 　　As the focus of the development of production process automation, fieldbus has played a huge role in promoting automation technology and is a symbol of modern industry. As a comm...[Details]

The basic operator in bitwise operations is ( / ). means left shift, which is a binary operator: temp n. In the process of shifting, the value will remain the same after a certain period of time. T...[Details]

Today, a piece of news about a Tesla robot attacking an engineer went viral online, causing a stir in public opinion. The popularity of the related topic not only topped Baidu's hot se...[Details]

Transformer reset selection Before discussing synchronous rectification, it is instructive to look at the forward converter with diode rectification . The basic power stage of the forw...[Details]

Question requirements: Try to write a program to copy the contents of units 50H-59H of the on-chip RAM to the 10 units starting at 60H. Analysis: Set the top of the stack to 5FH. When pushing the s...[Details]

　　Simplifying design with advanced processor capabilities has been a topic of discussion for decades. Today, design flexibility has been further improved, allowing engineers to use standard MATLAB® a...[Details]

Q: What is the effect of the conductivity of the measured liquid medium on the electromagnetic flowmeter?　　 A: The electromagnetic flowmeter uses a liquid with uniform conductivity. When the inner di...[Details]

One of the issues that needs to be paid attention to when using many flow meters is that the transmitter of the flow meter should be grounded, which can well avoid the problem of interference. Why is ...[Details]