32位arm9微处理器S3C2410的rtc实时时钟测试源代码

ATMEGA8+LM358-125KHzRFID读卡器程序。功能稳定性。11.0592MHz。不带74X4060。

C8051F系列CPU，解决128K程序调试例程，用C语言编写。-C8051F series CPU, resolve 128K program debugging routines, using C language.

一个新颖的自动调节匹配电阻阻值器，内有原理图,可供在家参考。-A novel resistance to match the automatic adjustment device, with a schematic diagram for reference at home.

1.电子琴功能 用实验板上K1~K7作为电子琴的7个按键，每个按键对应一个音符要求当按下其中一个按键，就通过P2.5口输出对应频率信号使蜂鸣器发出特定音符声音。 2.乐曲演奏 若按下K8键，完成自动弹奏“送别”歌曲。 -1. Organ function of the experimental board K1 ~ K7 as the organ of the seven buttons, each button corresponds to a note of which require that when the press of a button, on the adoption of P2.5 port output frequency signal corresponding to a specific note to the buzzer sounds . 2. Music playing, if pressed K8 button to complete the auto-play " Farewell" songs.

s6b0108控制器库函数实例源码 液晶显示ag12864a-Examples of library functions s6b0108 source controller LCD ag12864a

源程序51与PC通信原理及实现.rar-source 51 and PC Communication Theory and Implementation. Rar

模拟接受max7219的数据，主要是原系统升级，需要将原单片机驱动7219的数据接受并分析数据及命令。-simulation accept the data, major upgrade of the original system, the need for the original Microprocessor 7219 data accept and analyze data and orders.

少见的12864万年历，功能齐全12864+万年历,非常适合单片机开发的人用-Perpetual Calendar 12864 rare, full-featured 12864+ Calendar, very suitable for development with single-chip microcomputer

环境：keil c51 i2c调度工具-environment : Keil decoder i2c scheduling tools

详细地讲解了单片机设计中的抗干扰问题-explain in detail the design of microcontroller interference problems