蜂鸣器911报警(汇编),单片机的定时器根据声音的频率来设计

DTMF编码芯片HT9200的51接口程序。输入参数R2表示发送数据个数，输入数据与发送数据与DTMF码的关系:00H-0 01H-1 02H-2 03H-3 04H-4 05H-5 06H-6 07H-7 08H-8 09H-9 0AH-A 0BH-B 0CH-C 0DH-D 0EH-* 0FH-#。详细说明参考文件内-DTMF encoder chip HT9200 51 interface program. R2 said input parameters to send data distribution, data entry and send data with the DTMF code : 00H-0 01H- 02H-2 Mr- 3 in the 04H-4 05H-5 06H-6 07H-7 08H-8 7-9 0AH-A 0BH- 0CH B-C 0DH-D 0EH-* 0FH-#. Detailed information paper

sd2000系列实时时钟芯片应用说明及开发应用程序。-sd2000 serial real-time clock chip application and development applications.

用C写的mobile2006 手机LCD液晶片程序-C wrote mobile2006 phone LCD tablet procedures

430成都技术培训会代码，使用IAR-4.10打开。-430 technical training in Chengdu will be the code, the use of IAR-4.10 open.

c8051f330 ad 测试程序代码 -F33x_ADC0_ExternalInput

sed1520的122*32点阵液晶驱动的单片机程序-sed1520 122* 32 dot-matrix LCD driver of SCM procedures

基于LPC214X的K9F1G08的驱动-Based on the LPC214X driver K9F1G08

51单片机控制LCD驱动芯片T6963C驱动程序，点亮液晶屏，指定位置显示文字和图片，已通过测试-51 SCM control LCD Driver IC T6963C driver lit LCD screen, specify the location of display text and pictures, has been tested

T6963为控制芯片的液晶驱动程序，带proteus方针。-For the control of the T6963 LCD driver chip, with Proteus approach.

tcp_ip协议栈的ucos代码，主要用于嵌入式系统开发，已经移植到51系统单片机中，通过keil可进行编译，ucos经过最简化改造！特别推荐-tcp_ip CENTER protocol stack code, mainly for embedded system development, has been ported to 51 SCM system, through c51 can be compiled after the most simplified CENTER transformation! Preferred!