In order to solve the problems caused by the separate setting of the battery charging circuit and the LED driving circuit in the traditional design, this paper designs an independent photovoltaic LED lighting system based on Zeta/Sepic …
…
Xiaomi's new product launch conference is getting closer and closer (expected to be July 20th), and related rumors are also rampant. The most recent exposure is the new machine of Xiaomi: Xiaomi 3S and Xiaomi 4. Will Xiaomi really launch two products with similar…
Quanhua Optoelectronics specializes in the development, production and sales of LE…
China's Taiwan panel maker Chi Mei Optoelectronics announced on June 19 that it will invest NT$250 million in Taiwanese CLP, the parent company of CCFL's Power Alliance, through its 100%-owned subsidiary Yuanqi Investment, which is expecte…
In the past few days, a foreigner wearing a flower shirt often wanders around the canal in Hangzhou. After a while, he gestures with the nearby resident…

According to a report from the supply chain, Apple is about to become the largest contract customer of TSMC. The m…
The Nios II is a configurable 16/32-bit RISC processor that combines a rich set of peripheral-specific instructions and hardware acceleration units to provide an extremely flexible and powerful SOPC system at a low cost, allowing developers to integrate them according …
Voltage breakdown refers to the breakdown of a semiconductor PN junction or insulating dielectric layer under overvoltage. In modern VLSI circuits, the thickness of the gate oxide layer has been as thin as nanometers, and the electrostatic voltage as small as nearly one hundred volts or…
Abstract: By comparing the traditional UPS (UninterrupTIble Power Supply) power supply mode with HVDC (high-voltage direct current, high voltage DC) mode, it is pointed out that the use of HVDC power supply can effectively improve th…
The electric control system automatic tensioning system is equipped with a dedicated electric control box. The panel of the electric control device is equipped with a tightening force meter and LED indicator lights to reflect the operation of the equipment to the operator in real time t…