suming-up-numbers-of-leapyear

NPN silicon planar epitaxial transistor encapsulated in a SOT223 surface mounted envelope and designed primarily for use in hand-held radio equipment in the 470 MHz communications band.

AD转换资料，超全大量AD采集电压以及采集电流的方法！(AD conversion data, a large number of ultra-wide voltage and collected current AD acquisition method!)

关于无线传感器网络时间同步算法RBS算法的仿真(About wireless sensor network time synchronization algorithm RBS algorithm simulation)

msp430 ad9851 按键控制输出不同频率的正弦波已经调试成功(msp430 ad9851 keys to control the output frequency of the sine wave has been successful commissioning)

新一代地磁模块，助力高精度移动罗盘。新产品LSM303DLHC采用3x5x1mm微型封装，最小功耗仅为110µ A，可满足便携式消费电子应用对尺寸和功耗的限制性要求，同时还具有出色的测量精度和性能。 在一个封装内同时集成高性能运动感应和地磁感应(Ultra compact high performance e-compass 3D accelerometer and 3D magnetometer module)

ad7991测试程序，需要自己填写控制字(ad7991 testing procedures need to fill their own control word)

上位机，与51单片机进行通信，将从单片机发送过来获得的信息显示在显示界面上。(PC, with 51 single-chip communication, sent from the information obtained from the microcontroller is displayed on the display screen.)

单片机万历年电子钟Chip electronic bell million years(Chip electronic bell million years)

Msp430 LaunchPad s sound code that edited by Visual C++l.

矩阵按键测试程序, 输出结果用串口传输到上位机显示(Matrix key test program, the output with serial transmission to the PC)