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Let's talk about the use of charging before the holiday. For electric vehicles, a very important part is the charging characteristics. Compared with the cruising range, how to quickly recharge the e...[Details]

1. Buzzer Experiment In many single-chip computer systems, there are often sound devices in addition to display devices. The most common sound device is a buzzer. Buzzers are generally used in some...[Details]

DAC0832~I believe everyone is familiar with it. I want to sort it out. Are there three methods~~So this should also take two or three articles~~Take it slowly~~ This is a relatively simple introduc...[Details]

The code was debugged under the crystal oscillator of 12M, I hope it can bring reference value to everyone   #include reg51.h //51 chip pin definition header file #include intrins.h //Internally incl...[Details]

The core of smart grid is to build an intelligent network system with intelligent judgment and adaptive adjustment capabilities for unified access and distributed management of mu...[Details]

An oscilloscope, as its name suggests, is a machine that displays waveforms. It is also known as the "eyes of electronic engineers." Its core function is to display the actual waveform of the measure...[Details]

Amazon shipped 10.5 million Echo smart speakers in Q3 2019, the second-highest single-quarter shipments in the company's history, extending its lead again. Global smart speaker shipments increased 55...[Details]

　　0 Introduction 　　Sine signal source plays a very important role in laboratory and electronic engineering design, but the traditional sine signal source is generally expensive according to actual ...[Details]

Some car owners do not take the ABS fault light as a big deal because sometimes the vehicle does not have any abnormal situation and the brake system seems to be working normally, so some car owner...[Details]

1. Introduction 　　In various amplifier applications, we often need to calculate the amplifier, but there is no intuitive way to see the impact of the amplifier on the link noise. This article discu...[Details]

/*********************************************************** 8*8LED dot matrix——display digital experiment Implementation phenomenon: After downloading the program, the number 0 is ...[Details]

Recently, many users reported that their new TVs purchased for game consoles had serious display problems after connecting to the TV, and the problems mainly focused on 4K 120Hz display. Since these ...[Details]

Recently, an Intel CPU sample based on the Cannon Lake architecture was exposed on the Internet. The interesting thing is that the sample has 3 small chips. This CPU uses a 10nm process. Although the...[Details]

TDA1521 is a dual-channel audio power amplifier integrated circuit, 9-pin single in-line package, output power 2×15W. It has stable performance and good sound quality, and is more common in audio a...[Details]

　　This paper introduces the method of analyzing 14 metal elements (Hg, Cd, Cr, Mn, Cu, Fe, Mn, Zn, Sr, I, Pb, Se, P and As, etc.) in food by PE DRC-e ICP-MS. This method is a routine detection method...[Details]