单片机最小系统代码,键盘扫描,数码管显示以及PC机进行窜口通信...

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

采用ATMEGA48设计制作低成本高精度的数字温度计，采用C语言设计开发源代码。-ATMEGA48 design using low-cost high-precision digital thermometer, design and development using C language source code.

一款用单片机的简洁的测控温电路，含电路图有汇编源程序-Using a simple single chip temperature measurement and control circuits, including circuit diagrams have to compile source code

MSComm控件实现中文Win 9x下的通信[VB]51-MSComm Chinese Win 9x realization of communication [VB] 51

c51和汇编混合编程，lcd 192×64 画曲线-decoder and compilation of mixed programming, LCD 192 x 64 paintings curve

DS1302始终芯片操作原代码，包括PROTUES仿真-DS1302 chip has always been to operate the original code, including simulation PROTUES

MSP430系列单片机JTAG制作资料（并口），下载后将文件名改为.pdf即可-MSP430 MCU JTAG production of information (parallel port), download the file name will be changed. Pdf can

C51 ATAPI-CDROM 驱动程序-C51 ATAPI-CDROM driver

系统以AT89S52单片机为控制核心，加以直流电机、舵机、光电传感器、火焰传感器和电源电路以及其他电路构成，设计报告完整，元器件选择比较恰当，制作的小车能完成题-AT89S52 Single-chip system for the control of the core, to DC motor, gear, photoelectric sensors, flame sensors and power supply circuit and other circuits, the design integrity of the report, more appropriate choice of components to produce the car to complete the title