老外做的软件实现DTMF

在网上找的，所以的关于MAX260，MAX261，MAX262，MAX263的中文资料及很多实例程序和经典电路-Online to find, therefore, on the MAX260, MAX261, MAX262, MAX263 Chinese information and a lot of examples of procedures and the classical circuit

keil c51 小模式下uc/os应用，版本keil uv2 6.12，很好用-decoder mode uc/os application, version 6.12 Keil uv2 good use

nrf9e5的天线pcb,我找了好久的,可以直接开板-nRF9E5 antenna pcb, I am looking for a long time, and can directly open board

基于凌阳SPCE061A单片机的多功能测频测相仪-Sunplus SPCE061A-based single-chip multi-frequency phase measuring instrument

《单片机C语言编程与实例》的代码,使用keil编程环境,供大家参考- Microcontroller C programming language and examples of code, using keil programming environment, for your reference

keil下12864的显示测试程序，MCU是89C51，同时带有PROteus仿真工程，很好用-keil display under the 12864 test procedure, MCU is the 89C51, while simulation with PROteus works very well with

/*P89CXX计算机程序员发送*//*所需定义编程cpu类型0:P89C51 1:P89C52 2:P89C54 3:P89C58 4:P89C51RC 5:P89C51RD*/

24C01读写程序，称C51源代码形式：write bit（unsigned char ch）@2001/03/23函数称明：内部函数，私人用户不直接调用。

赛普拉斯CY68300开发板的详细资料及原理图、源程序-plate ware development CY68300 detailed information and drawings, source code