51单片机的硬件实验：包括I/O控制实验、定时器计数器实验、按键与显示实验、并行AD、DA实验-51 microcontroller hardware experiment: I/O control experiments, the timer counter experiments, buttons and display experiment, parallel AD, DA experimental

51单片机c语言编写的AD-DA转换的程序。-51 MCU c language AD-DA conversion process.

51单片机AD-DA转换，是初学者很好的资料，有必要下载-51 microcontroller AD-DA converter is good information for beginners, it is necessary to download

51单片机控制烟雾报警，采用的是51单片机，AD/DA模块，按键模块，LED液晶显示，电机控制等，适用于学习(51 MCU control smoke alarm, the use of the 51 single chip, AD/DA module, key module, LED LCD display, motor control, and so on, suitable for learning)