Abstract: Introduced the design method of serial port circuit using programmable logic array to expand 1 RS232 to 4 RS422. The expansion circuit does not occupy PC system resources, and at the same time has the characteristics of simple structure, convenient use, versatility an ---MORE---
Now is the nonsense: Before writing an original about air conditioning. In this story, I mentioned one thing. That is, starting from last spring, the Dalian municipal government has carried out a hot house project and installed insulation layers for residential buildings f ---MORE---
Today, according to the British “Financial Timesâ€, Apple is negotiating with the super-run manufacturer McLaren on acquisitions, and the valuation of the acquisition is about US$1.5 billion. The McLaren Technology Group in the United Kingdom has a team of super ---MORE---
AT&T recently announced that it has developed a new technology, AirGig, that can transmit gigabit high-speed wireless broadband over the wire, making it easier to bring the Internet to sparsely populated remote areas. Â AT&T: Wire can also provide a network It ---MORE---
How to control the computer? With the mouse and keyboard, we have always done this. Eye tracking technology will change this traditional perception, and EyeTech Digital allows the eyes to control the computer as well. This technology brings the gospel to people with physical de ---MORE---
With the advent of the Internet era, smart terminals, smart homes, smart phones and other devices are playing an increasingly important role in people's lives. People must first look at configurations when purchasing these products, but different products. The configurat ---MORE---
Generally speaking, the friend who first renovated the new house was confused in choosing TV. He did not know what kind of TV to choose. Because the choice of television products for the living room can be embellishment. The minimalist coldness of home decoration is also lov ---MORE---