I went to Hangzhou on a business trip in April. The scenery was picturesque along the way. I also took a tour of the West Lake. Unfortunately, my camera is not very good, so here are a few photos to s...
1. The main station of the monitoring center maintains the IP address and ID number of each terminal connected. When the main station wants to make a data request to a monitoring terminal, it will fin...
Is there any expert who can make a single-chip microcomputer MIDI recording and broadcasting system? That is, it can first record the MIDI signal data input to the single-chip microcomputer and store ...
Recently I'm working on a LED light. My program is always monitoring the status of the phone. When there is a missed call or unread text message, the light flashes red. This function has been basicall...
The e-sports competition is about to begin. In order to allow netizens to get a development board in the shortest possible time and practice in actual combat, the mobile station has specially selected...
I would like to ask: Under what circumstances will a certain I/O port of a microcontroller suddenly stop working while other I/O ports are normal? I have encountered many microcontrollers that have br...
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
Currently, the commonly used solar cell technologies include monocrystalline silicon solar cells and polycrystalline silicon thin-film solar cells. Production process: Monocrystalline silicon solar...[Details]
Stepper motors, also called steppers, use the principles of electromagnetism to convert electrical energy into mechanical energy and have been used since the 1920s. With the increasing popularity o...[Details]
1 Causes of problems with electric vehicle batteries
1.1 Caused by the battery itself
Why do we say that? In the previous issue, we learned about the working princi...[Details]
Lithium iron phosphate batteries are used as lithium-ion secondary batteries. Their main application is now in power batteries, which have great advantages over NI-H and Ni-Cd batteries.
Lithi...[Details]
With the continuous development of integrated circuit technology, integrated circuits have developed from thousands of gates to the current level of millions and tens of millions of gates. The applica...[Details]
Brain-computer interface (BCI) is a novel human-computer interface method. It is defined as a brain-computer (computer or other device) communication system that does not rely on the normal output ...[Details]
1 Introduction
At present, with the growing calls for environmental protection and energy conservation, new types of transportation that are pollution-free and have diversified energy configur...[Details]