1. The similarities and differences between the lumen efficiency of a single LED and the lumen efficiency of a lamp using LED as a light source. For a specific LED, with a specified forward bias, for ...
Does anyone want to join the Gangwan embedded training? If yes, please contact QQ568689807. I have carefully compared them and found Gangwan is OK. It is cheap and similar in all aspects. They said th...
Hello everyone. I am currently using the Z-Stack Home 1.2.0 protocol stack version, and I need to use the Zigbee encryption function. The method of use is to directly enable the SECURE option in the c...
Notice on the extension of ON Semiconductor and Avnet IoT Innovation Design CompetitionDear contestants:We regret to inform you that the 2020-2021 ON Semiconductor and Avnet IoT Innovation Design Comp...
EEWORLD社区onsemi and Avnet IoT Innovation Design Competition
Background description: The company requires a certain project to reduce hardware costs, and requires a lower-priced MCU that meets the requirements to replace the original more expensive MSP430F5xx. ...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
Introduction
my country's rapid economic growth is mainly due to the development of manufacturing and the acceleration of urbanization. However, urbanization cannot be achieved at the expense ...[Details]
The biggest advantage of Profibus is that it is guaranteed by the stable international standard EN50170 and has been proven to be universal in practical applications. It has been widely used in man...[Details]
The programmable controller directly controls the stepper motor, which can significantly reduce the cost of the control system of the modular machine tool automatic production line. The article int...[Details]
1. Basic principles of organic/polymer solar cells
The basic principle of organic/polymer solar cells is to use the photovoltaic effect generated by light incident on the heterojunction of sem...[Details]
1. Why do we need to do electromagnetic compatibility design for products?
Answer: To meet product functional requirements, reduce debugging time
,
make products meet the requirements o...[Details]
As the automobile consumer market heats up, the safety performance of automobiles has attracted more attention from consumers. When driving at high speed, tire failure is the most worrying and diff...[Details]
1 Introduction
When studying electronic courses such as "Electronic Circuits" and "Signal Processing", college students only understand the real signal characteristics in theory. They cannot r...[Details]
After removal, the robot uses an NI 1722 smart camera to randomly inspect for surface defects such as cracks, dents, scratches, and machining marks on the surface.
challenge:
...[Details]