Dongguan Liujun Electronic Hardware Co., Ltd. LEGION was founded in Taiwan, China in 1993. It specializes in the design, research and development, and manufacturing of various types of power switches. It is committed to the production of all kinds of standard contact devices for safety switches and sockets. The current products include rocker-type power switches, push-button power switches, rotary power switches, sliding types, ROCKTEK: production and sales of micro switches, overload protection switches, AC sockets, etc. It has more than ten years of professional manufacturing experience, continuous research and development and innovation, manufacturing excellent products to meet customer needs, and has passed UL, VDE, ENEC European and American standards, CQC, KC and other certifications.
When porting the GUI, the original chip supported 480*272, and now it is ported to a chip that supports 800*480. After porting, everything is normal, but after the pixel position exceeds 480 width, al...
A senior hardware engineer explains the principles of lithium-ion batteries in a video with many pictures. Very detailed and easy to understand. [hide]attach://487263.rar[/hide]...
As shown in the figure above, it is an AGC circuit controlled by JFET. However, after actual welding, the waveform cannot be stabilized within a certain range but increases with the increase of input....
Great news! The company wanted to evaluate the use of SOC for products, so I was naturally assigned the task of learning and evaluating. So, my daily work was to study SOC. In fact, as long as I could...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[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]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
Recently, news came from the certification department that the photovoltaic grid-connected inverter of Samil New Energy Co., Ltd. (hereinafter referred to as "Samil New Energy") has once again obta...[Details]
Embedded System
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