If you buy an LED light or you want to buy an LED light, please be patient and look at me. ! ! Hey tells you how to make cheap LED ceiling spotlights . LED lights have three big blocks - lamp beads, casing, and drive. To make the price the lowest, then only work on these three aspects. Lamps------- ......
1 Introduction In a recent experimental study, a new method for detecting engine operating conditions, ion current detection, has received close attention from researchers at home and abroad. When the engine is in the working chamber, the gas density is different due to diffe ......
Regarding the air-conditioning cleaning methods, it has become a problem that many netizens are eager to understand. The following small series is for you to explain, teach you how to clean the air conditioner, let us use it more clean and healthy. First, air conditioning cleaning met ......
Most entertainment venues attach great importance to the decoration design of the facade. The facade is the face. To attract the attention of the guests, it is necessary to have a more attractive appearance. This is the most basic means. So what do you need to pay attention to in KTV's facade de ......
1.1 The origin of the light bulb Light bulbs, invented by Edison, usually called incandescent lamps, glass, are almost universally known, and have a history of more than one hundred years. The principle is that the light is heated by electric energy, and the tungsten wire is heated to incandescent ......
"G20-LED Summit member company" Hongli Optoelectronics (300219) announced on the evening of March 26 that the company's wholly-owned subsidiary Guangzhou Zhongying Gongyuan Energy Saving Technology Co., Ltd. and Guangzhou Huadu District Power Supply Bureau Street Lamp Management Offic ......
Recently, the power companies of the State Grid Qizhou City Power Supply Company checked the completed family photovoltaic power plants to prepare for photovoltaic grid-connected power generation. On the same day, the Baofei Jinjialou Top Distributed Photovoltaic Power Plant in Dongfeng Vi ......
Last week, the old router manufacturer N etcore announced that its first intelligent router is about to come out. At this point, the "three countries" pattern of intelligent routers basically formed: traditional router vendors represented by N etcore, giant Internet ......
According to data from the “Full-line LED Production Business Plan†launched by a professional marketing and analysis company, as in other parts of the world, the proportion of the Russian LED lighting market continues to grow. In the long-term prospects, Russia's LED ligh ......
RFID parking lot intelligent management plan Overview With the socio-economic prosperity and the continuous improvement of people's living standards, transportation has gradually become an indispensable necessity in daily life. In recent years, the rapid growth of various ......