本课题研究的多媒体控制器主要利用蓝牙、USB通信与电容触摸技术完成对电脑的各种功能控制，如ppt翻页，影音软件的播放、暂停、声音调节等-Multimedia controller of this research is to use Bluetooth, USB communication with the capacitive touch technology to complete the various functions of the computer control, such as the ppt flip, the playback of audio and video software, suspension, sound adjustment