用单片机蜂鸣器实现911报警声音，采用中断延迟实现输出频率的变换。...

关于单片机（51系列）通过GPRS模块（LT8030）和服务器进行通信-on SCM (51) via GPRS module (LT8030), and communications servers

LPC900单片机设计方案--自动响铃实验系统，完整的程序代码，可以直接运行！-LPC900 microcontroller design program-- automatically ringing experimental system, the integrity of the program code, can directly run!

三菱16位单片机M306N0系列，I2C驱动。-Mitsubishi 16-bit microcontroller M306N0 series, I2C driver.

UPD6122-002红外线接收8051汇编程序.-UPD6122-002 infrared receiver 8051 assembler.

单片机89c51对usb操作的全过程,初始化，读写-SCM 89c51 right usb operate the entire process, initialization, reading and writing

96/196单片机的C语言例程-stable SCM C Language Programming

一个75HZ铃流实时检测程序，灵敏度很高，可以用于电话来电铃流检测。-a 75HZ bell flow real-time detection procedures, high sensitivity, can be used for phone calls Chu flow detection.

51单片机实验用的程序 希望对你能有所帮助 包括跑马 十进制显 电子琴-51 experimental procedures hope you can be helped significantly metric including Happy Valley flower, etc.

中文版的CY7C68013Data数据手册，比较详细介绍了该芯片的功能。不过没有详细的管脚图，在英文版中可以找见-CY7C68013Data the Chinese version of the data manual, more detailed introduction of the chip functions. However no detailed pin map, we can find in the English version see

m16连接以ks0108为控制芯片的12864显示器驱动-m16 connection to ks0108 to control the display driver chips, 12864