Day 1: Cough first, then fever, very fast, body aches, just want to sleep, take compound acetaminophen capsules
The next day: The fever was not very severe, but the cough became worse and I had a head...
Board model: EV3428A-L-00A (179.75/piece)The EV3428A-L-00A is an evaluation board for demonstrating the performance of the MP3428A product. The MP3428A is a 600kHz high-efficiency fixed frequency curr...
The flashing light can be realized in N ways, such as blocking the lighting in the main task, creating a separate task flashing light in FreeRTos, etc. Today, we will learn the timer in combination wi...
Data statistics, regression equation, curve fitting
Often, engineering verification requires a large amount of data for calibration? Who is proficient in mathematical analysis? Let's exchange ideas, s...
[i=s]This post was last edited by Shan Xiaohan on 2022-12-21 23:21[/i]BL808 tries to run LinuxFollow the Bouffalolab/bl808_linux tutorial to implement it step by step
1. ToolchainFirst clone the repos...
The following is a DC24V DC input circuit. What are the functions of the circuits in the red boxes in this circuit?
Is it correct that U1 is for reverse connection protection?...
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
1. Introduction
Since the 1980s, with the continuous development of automotive electronic technology, there are more and more electronic control units in automobiles, such as electronic fuel i...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
0 Introduction
There are many types of sensors, and the working principles, measurement targets and measurement environments of different types of sensors vary greatly. The corresponding detection s...[Details]
The demand for improved healthcare environments is endless, so medical imaging equipment with higher resolution is needed to better observe the human body. High resolution brings problems with sign...[Details]
Battery clamps, commonly known as battery connectors, come in two sizes depending on the thickness of the battery terminals. One is the battery clamp used on thick terminals, with a positive termin...[Details]
The production process of lithium batteries does not mention the previous processes such as material preparation, winding, liquid injection, and packaging, but only talks about the final formation ...[Details]
Electrostatic coupling and interference occur when a charged object is close to the input of the circuit being measured. At low impedance, the effects of interference are not noticeable because th...[Details]
Power supply is often the most easily overlooked link in the circuit design process. In fact, as an excellent design, power supply design should be very important, which greatly affects the perfor...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[Details]
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