周立功ARM全套培训教程，非常合适刚学习ARM编程的人。

30路遥控开关,按0-30个键分别点亮p0.0-p3.5的灯,32键全灭 可以用此外接驱动后控制30路开关！ 遥控器端口p3.7-30 Road remote control switches, keys, respectively, by 0-30 months p0.0-p3.5 lit the lamp, 32-key body can also take control of 30 after the driver switch! Remote control port p3.7

NE5532+TDA2030 原理图及PCB-NE5532+ TDA2030 Schematic and PCB

avr单片机atmega8系列芯片内部e2prom使用测试程序，本程序为示例程序，适用于初学者 -avr chip microcontroller series atmega8 e2prom internal testing procedures, the procedures for sample procedures applicable to beginners

用单片机做的小程序，主要想下东西的，谢谢大家-MCU small procedures done, think the next thing, thank you

在c8051f020上实现的控制无线模块nrf401和程序，绝对原创-C8051f020 achieved in the control of wireless modules nrf401 and procedures absolute originality

主要讲了单片机如何实现自行车测速功能。 十分好。-Mainly talked about how to achieve a bike speed microcontroller functionality. Very well.

低成本m48+热敏电阻做多路温度报警装置显示和音乐！

用单片机实现E1等芯片的初始化，给出了E1芯片DS21Q53的初始化方法-E1 MCU chip initialization, given the DS21Q53 E1 chip initialization method

HT1622 单片机驱动 LCD显示驱动新片的单片机控制方法-HT1622 LCD display driver in new MCU control method

8051 Serial I/O Routines Ring buffered, interrupt-driven UART driver, written in Keil C .