2、对设计进行介绍。语音的播放支持暂停、下一首、调节音量和复位。由于单片机的IO口不够用,本设计采用74HC154对其扩充,将四线扩充到十六线。该系统具有电路结构简单、易操作、成本低等优点,具有较强的实用价值。关键词:单片机;红外遥控;点阵;译码器;霓虹灯..TheDesignoftheNeonLightscontrollerBasedonSCMAbstractThisdesignusestheAT89C52singlechipmicrocomputertocontroltheneonlights.The sy
3、stem is composed bytheinfraredremotecontrolmodule,thesingle-chipmicrocomputercontrolmodule,thedisplaymoduleandthespeechmodule.Infraredremotecontrolmoduleisdividedintotheinfraredtransmitterandinfraredreceiverparts.Afterdecodingthroughthesinglechipmicrocompu