[font=微软雅黑][size=4]{:1_102:}Time flies so fast, tomorrow is the May Day holiday~~ Are you guys not in the mood to fight today, just thinking about how to spend your time tomorrow? [/size][/font] [font...
Preface
See https://en.eeworld.com/bbs/thread-1219964-1-1.html to build the Qt development environment
This time, the execution time of different control operations tested by Qt was used to measure th...
I believe that everyone uses oscilloscopes very often in their work. If you do not operate the oscilloscope correctly in your daily work, or do not pay attention to the maintenance and care of the ins...
It's a very good drama "Ever Night". After watching the first part, I thought it was quite good and was looking forward to watching the second part. However, a lot of actors were replaced all of a sud...
The customer reported that after the power supply output terminal was connected to the load, the output current reached 0.44A, and the output terminal was interrupted. The circuit protected itself. Af...
Compiled from EEJOURNAL Microchip now offers a flash-based microcontroller with integrated programmable logic blocks for less than 50 cents. The nine new products in Microchip's PIC16F13145 series ...[Details]
Sensorless Brushless DC Motor Control Principle
At present, the commonly used brushless DC motor control methods can be divided into
three categories: open-loop control, speed negativ...[Details]
As shown in the figure below, the chips are divided into large capacity, medium capacity and small capacity according to the size of the flash.
As you can imagine, the corresponding startup...[Details]
Jiwei.com reports (by reporter Zhang Yiqun) Although geopolitical uncertainties still exist, Ericsson's determination to invest in the development of 5G in China has not changed. At the Ericsson Spr...[Details]
The 2016 Geneva Motor Show was held as scheduled at the Palexpo International Exhibition Center in March. Friends who like traveling know that Switzerland is not only a permanent neutral country,...[Details]
1. Write a function to delete the string str2 contained in the string str1.
/* Do it recursively*/
void deletesubstr(char* str1, const char* str2)
{
int len=strlen(str1);
...[Details]
Nowadays, there are more and more types of sensors, and the number is also increasing, and many of these sensors use analog quantities, and analog quantities are inseparable from ADC. However, the ...[Details]
2017 is considered by many photovoltaic people to be the first year of distributed photovoltaic development. In the first half of 2017 alone, the newly installed capacity of distributed photovoltaic w...[Details]
In the fourth, fifth and sixth lessons, Pi Ziheng introduced three types of output files (relocatable, map, and exectuable files) generated by compilers/linkers. These three files focus on the dist...[Details]
Xiaomi mobile phone finally ranked first in the world. The latest data from Counterpoint Research shows that in June this year alone, Xiaomi's sales share increased to 17.1%, surpassing Sams...[Details]
1. Measure the polarity of each foot of the rectifier bridge. Set the multimeter to R×1k, connect the black test lead to any pin of the bridge rectifier, and use the red test lead to measure the ...[Details]
In order to seize the development opportunities of new energy battery materials, Henan Longbai New Materials Technology Co., Ltd. (hereinafter referred to as "Longbai New Materials"), a wholly-owne...[Details]
With or without the Metaverse,
augmented reality (AR)
and
virtual reality (VR)
will drive the convergence of client devices. There is a lot of debate about the extent to which we sh...[Details]
Dear leaders and guests, hello. Today I would like to share with you "Developing Energy Storage Technology to Promote Green and Low-carbon Transformation", which mainly includes the following four poi...[Details]