1.sudo ./demon http://www.oschina.net/question/994181_118098
2.usb camera interfarce switch :http://linksprite.com/wiki/index.php5?title=Mini_Webcam_for_Robot_Video_Real_Time_Video_Stream
- Pixel：300K
- Sensor：CMOS
- Max Resolution: 640*480
- Video Format：26bit RGB
- Interface：USB
- Frame Rate：30fps
- Noise-signal Ratio：48dB
- Dynamic Range：72dB
- Distance：3CM～Infinity
- Auto white balance, color compensation
- Manual focus with shutter button
3.learning pcduino opencv qq:
260098880
368314230
227875513
Linksprite pcDuino 227875513 
pcDuino公开课 279170349 https://item.taobao.com/item.htm?spm=a1z10.5-c.w4002-10306272528.21.Bhk9mU&id=13864312420
4.forum pcduino link address ：http://www.ostheone.com/forum.php