At present, countries are actively promoting LED lighting plans, LED bulbs will be listed as a priority to import lighting products; LED street light switching plan is in full swing, estimated 2013 global LED lighting output value penetration will further increase nearly 2%. Several countr

This article starts with the power amplifier, and mails the NE5532 for the pre-stage and the TDA1521 Suzhou kit (with transformer) for the post-stage at Hangzhou Xile Electrical Appliances. The speaker is a Guangzhou Kodak speaker sold by Gaojia as a wooden shell. Four of th

Henrik Pendersen, Danish designer, graduated from TEKO Academy in Denmark, “Top Ten New Designers in Northern Europe”, the founder of Denmark's most famous design studio, and the design of Jacobsson and the “Sydney Opera House”, the father of “Egg Chair” Utzo

The United States International Trade Commission voted on February 10 that China's application of wind towers to the United States caused substantial damage to related US industries. At present, Tianshun Metal (Suzhou) Co., Ltd., China Shipbuilding Chengxi Shipyard and other companies

At present, almost all 2.5-inch hard disk thickness is 9.5mm, but it seems to be a drag on ultra-portable products such as ultra-thin and ultra-thin Ultrabooks. Hitachi has officially announced that it will ship 25 million 7mm ultra-thin 2.5-inch hard drivesstar Z7K500, mainly for ultraboo

On June 1st, from the provincial power company, the first UHV transmission line in China, the “Southeast-Nanyang-Jingmen 1000kV UHV AC pilot demonstration project” has been operating safely for 29 months since its operation. Social benefits are highlighted. The project began c

As designers began to use higher-performance color displays and began embedding value-added features like cameras in portable systems, the power requirements were significantly improved. Today, typical cellular handsets or handheld devices use a high resolution, primary display wit

The market expects that China's subsidy of LED lighting, in addition to China's LED industry will directly benefit from foreign affairs, Taiwan's LED shipments the world's largest, the output value of the world's second, the average technology leading China about 2 year

Test - lowercase jpg Probe domestic switch needle KG-300K needle head diameter is 3.0mm normally open switch needle Kaixin micro test The multimeter can be used not only to measure the resistance of the object being measured, but also to measure the DC voltage. Even som

“The Comprehensive Work Program for Energy Conservation and Emission Reduction in the 12th Five-Year Plan” proposes to consistently reduce the intensity of energy consumption, reasonably control the total energy consumption, promote the combination of technological progress, an

Recently, the relevant person in charge of the Ministry of Commerce stated that during the “Twelfth Five-Year Plan” period, it will strive to build a large number of energy-saving large-scale shopping malls, supermarkets and green restaurants throughout the country. When the ne

The National Scenery Storage and Demonstration Project was completed and put into operation on December 25 in Zhangbei County, Hebei Province. This is the first and the world’s largest new energy comprehensive utilization project integrating wind power generation, solar photovoltaic