编写单片机音乐程序代码（刘德华——开心马骝 ），后面的DB表格形式，就是它的曲谱代码！-The preparation of single-chip code music (Andy Lau- happy monkeys), the back of the DB in tabular form, the music scores of the code is that it!

无线NRF905源程序及原理图DB及图片本人QQ409600816希望与在学的友人交个朋友-NRF905 wireless DB source code and schematics and photographs QQ409600816 I look forward to working with friends at school to pay a friend

ad8330英文 资料 更好的解释ad8330，内有ad8330框图，和框图原理，还有基本框图应用-ad8330FEATURES Fully Differential Signal Path May also be Used with Single-Sided Signals Inputs from 0.3 mV to 1 V rms, Rail-Rail Outputs Differential RIN = 1 k
ROUT (Each Output) 75
A

编程实现运算式c = a2+b2 假定a、 b、 c 3个数分别存放在内部RAM的DA、DB、DC单元中，别有平方运算子程序调用。 （内部RAM的DA、DB、DC单元设为20H　21H　22H） -Programming expression c = a2+ b2 assume a, b, c 3, respectively, the number stored in the internal RAM of the DA, DB, DC unit, do not have the squ