转速表：硬件简单，您可以用89c2051代替89c51，p1口做数据输出；p3口做位驱动，int0为转速信号输入...

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仿真AT24CXX的KEIL C51源程序，与psmain5.9.23.rar和shengfangagsi5.9.22.rar一起工作，都是原创-KEIL C51 source, and with psmain5.9.23.rar shengfangagsi5.9.22.rar work together, are originality

可驱动8/16位数码管显示或64/128只独立LED 的芯片BC72811A中断编程。BC7281A只占用单片机3个I/O口-can drive 8/16 Digital Display or 64/128 only independent LED chip BC72811A interrupted programming. BC7281A only occupies three microcontroller I/O port

8051F_Modbus.rar是在C8051F020单片机上编写的ＣＲＣ１６校验的MODBUS协议.-C8051F020 Singlechip 8051F_Modbus.rar is prepared CRC16 checksum of the MODBUS protocol.

这是用PIC单片机做的DTMF信号解码，用的是汇编语言。已经通过实验了。有兴趣的人可以看一下。-This is a single-chip microcomputer PIC to do with the DTMF signal decoding, using assembly language. Has passed the test. Those who are interested can look at.

STC单片机的AD功能测试。测试中通过P3口的LED指示AD值。-STC microcontroller AD functional tests. Testing of the LED through the P3 port direction AD value.

SCM中LCM的汉字显示技巧,可以2*6=12共计个字符.-SCM display Chinese characters in LCM techniques, can be 2* 6 = 12 total characters.

这个是完红外线PT2261的源码，绝对的好用，不要改动。是的中断做的阿-This is the End of the PT2261 infrared source, the absolute ease of use, do not change. To do is interrupt the Arab-Israeli

FAT32文件系统在51单片机上实现，CPU类型是sst89c58-FAT32 file system in the 51 SCM to achieve, CPU type is SST89C58

EEPROM读写程序: 先向EEPROM写入一幅图片数据，然后从EEPROM中读取，并在128*64显示屏显示出来。-EEPROM read and write procedures: first EEPROM write a piece of picture data, and then read from EEPROM, and 128* 64 screen is displayed.