Cartoon is like a double-edged sword. It brings happiness to children and also has many negative effects on children. Many mothers are worried that the production of rough cartoons can not bring useful knowledge to children, but the violence content is constantly mutila…

This solution implements a batteryless keyboard using Near Field Communication ( NFC ) technology. At the heart of this solution is the TI Dynamic NFC tag that can be read and written by the host microcontroller. An NFC-enabled phone can quickly discover an…

Feng Tang, who wrote "The Spring Breeze is not as good as you", also has a poem about autumn: "Autumn is short, no, you and I are too short to look back." Indeed, the fall is fleeting and the weather is getting colder and colder. Many people are preparing fo…