PLC programming is the essence technology of PLC, which largely determines the quality and function of a PLC. Today, PLC has been widely used in the production of various fields in the society, especially industrial production, and has undergone rapid development. We take a look at th

As the number of electronic components used in automobiles continues to increase rapidly, we can expect power conversion ICs to face more design challenges: some devices require stable voltage input, low quiescent current, and low noise, while others need to be satisfied. Customized for specific

Representative Committee Voice: Solar LED Street Light is a typical green light source According to Xu Huhong, the normal service life of LED street lamps is more than 50,000 hours, which is much longer than ordinary energy-saving lamps. It can reduce the cost and manpower of maintenance of street

According to Japanese media reports, Sony recently announced that the company will launch OLED TV R&D projects next year, and plans to launch TV products involving OLED and naked-eye 3D technology in the next three to four years. OLED, that is, organic light-emitting diode, also known as organ

From the “two sessions” held by Shandong Weifang Company held on February 7, Weifang Power Supply Company will invest 2.357 billion yuan in 2012 to accelerate the construction of a strong smart grid. It is reported that the annual investment of 1.47 billion yuan, the implement

In the years of operation and use, it has met the requirements of the original system design, and played its due role for Beijing street lighting equipment asset management and fault repair. In the years and months, considering the following factors, our center decided to upgrade th

Recently, the evaluation meeting for the night landscape lighting planning and design along the Meijiang River in Meizhou City was held in Meizhou Urban and Rural Planning Bureau. The planning and design bidding process lasted for more than three months. After the design unit reported, on-site inqu

"The old refrigerator in the house was bought in 1998. It took more than ten years, and nothing went wrong." Liu Jinghua joked. "In the Northeast, I said that this is something that is professional. I don't have to say about the quality of Meiling refrigerator.&quo

[High-tech LED News] It is reported that the Rizhao City Urban Planning Exhibition Hall new energy comprehensive application demonstration project passed the provincial expert review and obtained the special fund subsidy of 10 million yuan for the development of new energy industry in Shandong Prov

0 Preface This article refers to the address: http:// With the growth of China's national economy, the amount of road traffic has increased significantly, and the speed of driving has also increased significantly. It has been followed that traffic accidents are on the rise. Airbags are a ve

As a new generation of the popular handheld game console PSP, PS Vita has attracted widespread attention since it was just announced. Although PSP sold globally and is not as good as the old rival Nintendo's NDS, it is on the mainland of China. PSP, with its vast market of parallel imp

According to the newly released global LCD TV brand shipment report of WitsView, a panel research division of TrendForce, the global LCD TV shipments reached 205 million units in 2011, and the estimated annual growth rate of shipments in 2012 is approximately 8 %, came to 216.5 million uni