这是一个PCB常用的封装，特别是对于学单片机的同志来说是不可多得的

RF905 200米无线数据收发模块C语言程序-RF905 200 meter wireless data transceiver

STC单片机利用XBEE 模块发送数据。 18B20采集温度。-STC Singlechip send data using XBee modules. 18B20 collection temperature.

用C实现数字电压电流表：1、由外部输入直流电压电流，电压范围20V，电流范围1A； 2、电压/电流通过开关切换； 3、显示：数码管显示电压值/电流值，精度0.01。 -Implementation using digital voltage ammeter C: 1, by the external input DC voltage and current, voltage range of 20V, the current scope of 1A 2, voltage/current through the switch 3, Display: Digital display voltage/current value, the accuracy of 0.01.

MCS-51单片机实验 39个实用实验和源码-MCS-51 Single-chip experiments and practical experiments and 39 source

实现数码管的循环计数，数码管接法为共阴级接法。-To achieve the cycle count of the digital control, digital control connection for a total of Yin-class connection.

一个时钟发生的小例子，希望能对大家有帮助-Occurred in a small example of the clock, hoping to have everyone help

使用ISD4004语音芯片与单片机连接，设计的一个任意录音或放音8―16分钟的模块，注解详细。-Use ISD4004 voice chip microcontroller, design an arbitrary recording or playback 8-16 minute modules, detailed annotations.

液晶12864的驱动程序,用C语言编写,易懂,易用,直接可以用于你的程序中,相信能给你带来一丝快意.-LCD 12,864 of the driver, with C language, understandable, user-friendly and can be used to direct your program, I believe you can thread creator.

MSP430F149的数据采集程序，并显示在LED上。-MSP430F149 data collection procedures, and displayed on the LED on.