LED driver 6961 包括初始化，message显示，转盘显示，状态显示，要在timer中实现-LED driver 6961 including initialization message, turntable, state, to achieve the timer

CD PAUL cd转盘的源程序~~~~~~~~~~~~~~ 有6个按键，有屏幕-CD PAUL cd turntable ~~~~~~~~~~~~~~ source has six buttons, a screen

红外抄表。CPU = LPC921F ，通过检测传统电表的转盘转数记录电度。有防义务停电处理，与抄表终端通过红外通讯。防停电处理是通过不停写Flash实现，而写Flash有防止目标单元损坏而影响结果的优化处理。-Infrared meter reading. CPU = LPC921F, by detecting the traditional meter of the wheel rotation degrees Record electricity. Obligation to deal w

转速测试仪，通过光电或者霍尔传感器作为检测设备，接入51单片机，测量转盘转速。其中主要用到定时和计数功能。-Speed tester, through the photoelectric or Holzer sensor as the detection equipment, access to the 51 single-chip, rotating speed measurement. The main use of timing and counting function.