Hello, everyone~ I am the administrator okhxyyo~ Starting from this week, I will organize the evaluation information for you every week. Here are the latest evaluation activities and freshly baked eva...
A deck of unused playing cards and a 3D printed stand can be used to build a creative playing card clock. I used playing cards as the flaps of the clock and made a fun and crazy clock with minimal par...
[i=s]This post was last edited by lb8820265 on 2021-8-15 01:30[/i]I have had a dream of making a car since I was a child. I have been working hard for this dream and have made several generations of B...
[size=14px]ubuntu 16.04 ros. When running, the error [/size] You must call ros::init() before creating the first NodeHandle Couldn't find an AF_INET address for [] is in the main function. ros::init i...
0 Preface
Due to the structure and modularity of C language, programs written in C language are easy to read and maintain, and have good portability. This paper introduces a method of implement...[Details]
1. How to detect the quality of AC three-phase motor? 1. Use a megohmmeter (a 500V megohmmeter will do). If the insulation resistance of the wires on the three terminals to the motor housing is above...[Details]
Despite the 14+7 days of quarantine, Cadence Asia Pacific System Solutions Senior Director Zhang Yongzhuan made a special trip from Taiwan to the mainland, with one important purpose being to promote...[Details]
1 Basic introduction of motor
Motor refers to an executive device that converts electrical energy according to the law of electromagnetic induction. It can be divided into electric motors and ...[Details]
Complex designs can be realized using "Printer.HM". From left to right, a leaf-shaped scaffold with cellulose-based hydrogel; femur model printed with bioceramic hydrogel; embedded printing in the ...[Details]
In March 2021, following the 12th and 13th Five-Year Plans, silicon carbide semiconductors were again included in the key support areas of the 14th Five-Year Plan. Obviously, as a national strategic ...[Details]
For an electronic system nowadays, the design of the power supply part is becoming more and more important. I would like to discuss with you some of my own experiences on power supply design to st...[Details]
Precision coordinate measurement Precision measurement technology Modern precision measurement technology is a comprehensive interdisciplinary subject that integrates optics, electronics, sensor...[Details]
I recently used MDK to develop a project for LPC2132. I used the startup code automatically generated by MDK. When debugging the program, I found a lot of problems:
1. The content was overwritten...[Details]
The dynamic mathematical model of asynchronous motor is a high-order, nonlinear, strongly coupled multivariable system. Vector control is an advanced control method for motor control systems. Due to ...[Details]
1. I made an STM32 board, but I didn't have an 8M crystal, so I used a 12M one, but it didn't work properly. After powering on, PA15 and PA14 were connected to two LEDs. The LED connected to PA15 w...[Details]
Created on: 2012-10-17
Author: zhang bin
Study Notes
for MC9S12XS128 lcd12864 ser_2_pin
redesigned by zhang bin
2012-10-17
versions ：V-0.1
All Rights Reserved ...[Details]
As we all know, microcontrollers take analog inputs from analog sensors and process these signals using ADC (Analog-to-Digital Converter). But what if the microcontroller wants to generate analog sig...[Details]
According to Jiwei.com, the 3rd Global IC Entrepreneurs Conference and the 18th China International Semiconductor Expo were held in Shanghai from October 14 to 16, 2020. At the 5G chip forum with the...[Details]
Three-phase inverter circuit
Figure 2 Three-phase inverter circuit diagram
When the three-phase inverter is working normally, its circuit structure is shown in the figure.
In the figure, Qi ...[Details]
Talking
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