Beijing Industrial Automation Training Center offers training courses on inverters and PLCs all year round. The training courses are as follows: 1. Practical training course on inverter application an...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:58[/i] There is still insufficient scientific evidence to prove whether mobile phone radiation is harmful to the human body. However, t...
80-pin XS128 minimum system (MC9S12XS128MAA), 90% new. I don't need it anymore after graduation, so I'm selling it to people who need it at a low price. There are three of them, 35 for one without shi...
[i=s]This post was last edited by ywlzh on 2016-5-21 00:30[/i]I bought the RFID module just to try out the feeling of wireless control. The test distance is only 5 to 6CM, which is the limit. If it is...
The TD3100 elevator inverter was used to transform the elevator in the office building. The elevator has 5 floors and 5 stations, a maximum speed of 1.75m/s, a rated load of 1000Kg, and an external co...
Dear experts, I have a tricky problem that needs your help. Thank you! The problem is as follows: When using AVR Atmel atiny 13, I found that some atiny 13s did not work. Among the 15 pieces on the sa...
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
Spatial Division Multiplexing (SDM) MIMO processing can significantly improve spectrum efficiency and thus greatly increase the capacity of wireless communication systems. Spatial Division Multip...[Details]
LED light sources have many environmental advantages, but early products still have certain technical bottlenecks in heat dissipation and high brightness design that cannot be broken through....[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[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
In order to improve the automation control of shortwave transmitters, so that they can automatically process from far to near, the technicians here use the ICS system to complete the ...[Details]
Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[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]
DigRF
is
poised to replace the two main forms of data communication paths between RF and baseband semiconductor devices:
analog
signaling, and proprietary digital signaling (paralle...[Details]
Talking about work
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