In the design of LED lighting power supply, there are the following design problems: the life of electrolytic capacitors does not match the LED, the common causes and treatment of LED lamp flicker, how PWM dimming affects the life of the LED, and the use of TRIAC dimming to ad ----more
According to foreign media reports, people are not unfamiliar with identification methods such as digital fingerprints, iris recognition, and voice authentication, but researchers recently said that human knee joints can also be used for identity authentication, and the accura ----more
The world's first retractable car is launched, and parking is not afraid of no parking spaces. The name of this retractable car is Presto. Specially made to celebrate the 25th anniversary of the establishment of RINSPEED, this unprecedented telescoping car can be extended ----more
Cloud computing technology with virtualization technology and applications, horizontal expansion of databases and middleware, multi-tenant development technology and cloud management platform as the core technology has also been deeply applied in Baosteel. The Internet of Thi ----more
1. General requirements for LED drivers The arrangement of LEDs and the specification of LED light sources determine the basic driver requirements. The main function of the LED driver is to limit the current flowing through the LED under a certain range of operating condition ----more
1. General requirements for LED drivers The arrangement of LEDs and the specification of LED light sources determine the basic driver requirements. The main function of the LED driver is to limit the current flowing through the LED under a certain range of operating condition ----more
introduction The popularization of cars has brought convenience to people's lives, and it also poses a big problem for people-car theft prevention. This design is to solve the shortcomings and deficiencies of the previous car anti-theft products and developed an integrate ----more