High-voltage motors refer to motors with a rated voltage of more than 1000V. Motor protection equipment is the main guarantee for the reliable operation of motors. It can not only enable the motor to ...
[i=s]This post was last edited by damiaa on 2021-11-1 10:43[/i][Free trial of Pingtouge Bluetooth Mesh Gateway Development Kit] + nRF Mesh and light and switch experiment (Part 3)
[Free trial of Pingt...
With the rapid development of circuit integration technology, RF circuits also tend to be integrated and modular, which is particularly beneficial for the development and application of miniaturized m...
[p=30, null, left][font=宋体][font=Verdana][color=#111111] [/color][color=#a0522d] A circuit that can automatically convert DC power into an AC signal with a certain amplitude and frequency without an e...
I use several static controls IDC_STATIC1, IDC_STATIC2, IDC_STATIC3, etc. How can I get the event of the mouse moving over the control? If the mouse moves to IDC_STATIC1, how can I get the message?...
[i=s]This post was last edited by wanghlady on 2014-10-29 11:28[/i] mlen_row = HIBYTE ( menu[0].yx ); mlen_col = LOBYTE ( menu[0].yx ); Does HIBYTE and LOBYTE mean taking the high 8 bits and the low 8...
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[Details]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]
This article focuses on closing the feedback loop of an isolated power supply using a TL431 shunt regulator. The article discusses a method to extend the bandwidth of the power supply control loop ...[Details]
1. Introduction
With the rapid development of computer technology, communication technology, and integrated circuit technology, the large-scale application of field control instruments and equ...[Details]
introduction
In the late 1990s, due to the great safety issues of liquid cobalt lithium-ion batteries, people studied and developed polymer lithium-ion batteries. In addition to the performanc...[Details]
Improving the coordination of material handling and internal transportation between departments in modern factories is an important measure to achieve full automation of production. Traditional mat...[Details]
1 Introduction
In order to realize intelligent electronic counting and frequency measurement and realize a wide-range, high-precision frequency meter, an effective method is to use a single-chip m...[Details]
1 Introduction
With the rapid development of the national economy, AC motors have played an extremely important role in industrial production. As the main traction motor in various industries,...[Details]
1. Self-test of lithium battery capacity
The nominal capacity of the CECT9898 OEM mobile phone lithium battery is 3800mAh, and its battery volume is comparable to the 1500mAh battery of ot...[Details]