Many places in Guangxi were hit by firestorms and drone…

In the early morning of May 5, a crane and a farm car filled with sweet-scented osmanthus saplings were trapped on the bridge in Cauli Town, Longsheng County, Guilin City, Guangxi Province. Six people were trapped by the flood. At 3:40 in the morning, the fire officers and soldiers a ......Reading more

How to use U disk to upgrade TV system?

When the TV downloads the upgrade package online fails or the online upgrade fails, you can choose the local upgrade method to upgrade the TV. What is a local upgrade? Why use a local upgrade? In general, the use of online upgrades for TV networks is excellent, and online u ......Reading more

The current 8 major dilemmas of virtual reality VR

Virtual reality has a lot of potential, and it is likely to completely change the situation of electronic entertainment. With big companies like Google, Facebook and Microsoft entering the virtual reality market, competition has begun. But even though the current market is ve ......Reading more

KTV analog frequency shift board AD-303 is suitable for…

Analog frequency shift board features: 1, all implemented by hardware circuit, there is no digital operation circuit, so there is no delay between the input and output signals. There is no AD and DA conversion, so no loss of audio details. (DSP digital frequency shift will have delay, Guangxin D ......Reading more