New application can delete a sent text message

A new application can help keep your dignity intact. After several mistakes, we all sent wrong messages to others. And a new invisible text, free application can now undo these errors on Android, iOS and BlackBerry

Why to manage and test batteries

First, the role of battery packs in the communication system Most of the batteries used in current communication power supply are advanced valve-regulated sealed lead-acid batteries. The voltage of each cell of this battery is generally 2V, and the 48V or 24V system is composed in series. It pl

China's LED plant lighting is in a difficult start

In recent years, LED lighting products that promote plant production have attracted attention. These LED bio-lighting products are known as plant factories. From the perspective of industry scale, LED bio-lighting applications are still in their infancy. Giving a little sunshine is a ridiculous

New Energy Vehicles: Take Pure Circuit Lines or Insert Circuit Lines


According to surveys, in the first-tier cities where charging piles are scarce, only less than 10% of users install charging equipment and operate in hybrid mode. More users buy plug-in hybrid vehicles, get scarce licenses and high purchase subsidies. In fact, they us