A few years ago, I wanted to make an adjustable power supply. Gradually, I even bought a power supply for making boards and strips.
I bought some components on Taobao in February, and I just had time ...
Engine testing requires a wide range of test items, such as torque (force), speed, pressure, temperature, flow, flow velocity, noise, position and displacement, etc., and involves a variety of test te...
Reversing radar is a parking safety auxiliary device for cars. It can inform the driver of the surrounding obstacles by sound or more intuitive display, eliminating the trouble caused by the driver lo...
Industrial Control PLC Series Courses : https://training.eeworld.com.cn/course/5599you can get access to a library filled with top notch PLC programming lessons as well as new video lessons delivered ...
A simple square wave signal generator that can adjust the frequency with one button. The LED lights up when the frequency is out of range. The frequency range is 100-1000hz.
#include reg52.hsbit PWMOU...
In this example, P2.0 and P2.1 of MSP430fr6989 are selected as serial ports UCA0TXD and UCA0RXD; (There is not much code, mainly for register operations, and it is written in the main.c file in a hurr...
Circuit Principle: The battery automatic charger shown in the figure uses a single transistor as the simplest window comparator. When the battery voltage is lower than the preset value, the batter...[Details]
Theodolites are divided into vernier theodolites, optical theodolites and electronic theodolites according to the different scales and reading methods of the dial. At present, optical theodolites and...[Details]
According to foreign media reports, Hitachi and Hitachi Astemo are developing a compact and lightweight wheel hub drive system for electric vehicles that integrates the motor, inverter and brake in o...[Details]
Minimizing power consumption and increasing power density while saving costs are important challenges faced by modern high-efficiency switching power supplies. The design goal of a switching powe...[Details]
Matlab Plotting Example
A simple example of drawing in matlab
Example 1 (using plot to draw two curves at the same time)
x=0:0.01:2*pi
plot(x,sin(x),'green')
hold on
plot(x,sin(2*x),'r...[Details]
Recently, there has been a lot of information about Fisker, an American new energy vehicle "manufacturer". It is a company with a story. However, things are different now. It is no longer a "story", ...[Details]
With the official implementation of China's latest mandatory national standard GB18613-2020 "Energy Efficiency Limits and Energy Efficiency Grades for Electric Motors" on June 1, 2021, IE3 has become...[Details]
On the morning of September 24, Samsung Electronics officially released the new member of the Samsung Galaxy S20 series family, the Galaxy S20 FE 5G (Colorful Edition) in South Korea last night. It i...[Details]
Jiang Haoran, member of the National Committee of the Chinese People's Political Consultative Conference and chairman of Hengyin Technology
In March, the spring breeze brings warmth. The 202...[Details]
What should we pay attention to when using the electromagnetic flowmeter? Today, Chengfeng Instrument will give you a brief explanation. I hope you will pay attention to the following points about th...[Details]
According to foreign media reports, a research team led by Professor Jeff Dahn of Dalhousie University in the United States used about 65 different electrolytes to conduct a life cycle performance an...[Details]
Murata Manufacturing Co., Ltd. launched the CERALOCK?CSTCC series of ceramic oscillators for automotive use in 1995, and in 2000 launched the CSTCR and CSTCE series with narrow frequency tolerances ...[Details]
Half of the work in making
a
perfect
jitter
measurement
is setting up
the oscilloscope
. The goal is to capture and display the signal as it truly appears in the system envir...[Details]
The auto-coupling step-down starter is an electrical device used for motor starting. It reduces the starting current by reducing the voltage when the motor starts, thereby protecting the motor and ...[Details]
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