李子的备忘录

Spring 2011(Banner_image,hackedgadgets, adafruit,igadgetview, electronics-lab,levoltz, avrfreaks)Wireless Programmable P

夜夜挂长钩，朝朝望楚楼。可怜孤月夜，沧照客心愁。     圣水出温泉，新阳万里传。常居安乐国，多报未来缘。     日日思前路，朝朝别主人。行行山水上，处处鸟啼新。     只愁啼鸟别，恨送古人多。去后看明月，风光处处过。     一别行万里，来时未有期。月中三十

you can ref :  http://graphics.stanford.edu/~seander/bithacks.htmlBy Sean Eron Andersonseander@cs.stanford.edu Individually, the code snippets here are in the public domain (unless otherwise n