Thank you for being there - old classmate Lanlan2019 is coming to an end. Thank you for your companionship and tolerance over the years. I am a relatively introverted person and I don’t have many frie...
Hawking once issued a serious warning when he was alive. The reason was that the radio telescope "Sky Eye" received a suspicious signal from outer space 4 light years away.After learning the news, Haw...
[b][size=4]From now until April 13, download any USB-related development and testing materials below to have a chance to win a 50-yuan Jingdong card (35 copies in total). You will also have the opport...
In the field of wireless communications, there have always been two ways of connection: one is the cellular network, namely 2/3/4/5G, and the other is Wi-Fi technology, IEEE 802.11 a/b/g/n/ac/ax. At p...
This content is originally created by music_586 , a user on the EEWORLD forum. If you want to reprint or use it for commercial purposes, you must obtain the author's consent and indicate the source(ma...
Under the premise of how to add backlight to the segment code screen, let's first understand whether the segment code LCD screen needs to be backlit? Whether the segment code LCD screen needs backligh...
The output range of the OP97 op amp is ±3.3V, so a V/I conversion circuit is required. The V/I conversion circuit is shown in the figure. By setting the fixed 5 code values: FFFF, BFFF, 8000, 4000, 0...[Details]
introduction
With the acceleration of China's economic development and urbanization, the amount of sewage in small and medium-sized cities has been increasing year by year. In order to red...[Details]
Basic knowledge of infrared receiver
The infrared receiving circuit is usually composed of an infrared receiving diode and an amplifier circuit. The amplifier circuit is usually comp...[Details]
This article describes an intelligent instrument that supports the measurement, display and remote transmission of laboratory temperature and humidity. This instrument is different from many simila...[Details]
1. # include<> means to be in the editor setting directory, # include"" means to be in the current project directory.
2. To call a function in another file, put the function file in the current proje...[Details]
Circuit Description: Security is the most important concern in our daily life. Everyone feels that security is very important, and the door and security at home can be as safe as possible. In order t...[Details]
1 Introduction
In the field of industrial automation, control networks are developing towards an open architecture, and the field of information communication is rapidly covering all level...[Details]
#include reg52.h //Include header files. Generally, no modification is required. The header files include the definition of special function registers. #include intrins.h #include stdio.h #inclu...[Details]
Abstract: Electromagnetic wave radiation detectors have been widely used in our lives. This article mainly introduces the use of electromagnetic wave radiation detectors, the working principle of e...[Details]
Many people have misunderstandings about the memory of 51 microcontrollers. The most common ones are the following two ① Compile in compact mode if the variable exceeds 128 The actual situation is th...[Details]
1. Let's talk about the buzzer first. The buzzer is a silver metal, as shown in the figure below. Some of them do not have welding cables. It mainly relies on two vibration plates to convert electr...[Details]
Go to Taobao, buy a house, a car, and a plane...
Available online, priced at 2.39 million
In 2024, along with the “humanoid
robots
”, the “low-altitude economy” was also inclu...[Details]
The capacity of a motor refers to the product of the maximum voltage and the maximum current that the motor can reach, and the unit is VA.
How to choose the capacity of the motor?
W...[Details]
intrins.h
In C51 MCU programming, the functions in the header file INTRINS.H will make it as easy for you to use as in assembly.
Internal function description
_crol_ Characters rotat...[Details]
Recently, 12 200KVA 660V to 380V energy storage isolation transformers from Zhuoerfan Transformer Company were shipped to Tianjin. These transformers will provide stable power sup...[Details]