[b]2-1-1-1. Magnetization of the core of the single-excitation switching power supply transformer by pulse sequence[/b] For the sake of simplicity, we equate the single-excitation transformer switchin...
I would like to ask how, in a 4-layer board, Altium Designer can hollow out a piece of copper in the power layer and the ground layer. Ordinary ground can use cutout, so what should I choose for the p...
--Three channels of PWM, d1, d2, d3 show different brightness respectivelylibrary ieee; USE ieee.std_logic_1164.ALL; USE ieee.std_logic_arith.ALL; USE ieee.std_logic_unsigned.ALL; ENTITY MyPWM IS GENE...
I am reposting an engineer's article because I think it may be inspiring to many friends, so I am reposting it here: Microcontrollers are a very practical subject. Without practice, everything is just...
Recently, the servo drive keeps giving alarms. I hope you can give me some guidance. Thank you very much! I use a servo system of Delta ASDA-AB series 0.2KW. It keeps giving "ALE09" alarm. According t...
Usually, one power module can solve industrial problems, but in some super-large equipment load transmission, one power module may not meet the requirements, and multiple power modules need to be conn...
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[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]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
This article discusses the six design steps of LED lighting system design in detail: (1) determine the lighting requirements; (2) determine the design goals and estimate the optics; (3) the efficie...[Details]