单片机设计的遥控电路，遥控码的脉宽数用红外线接收器解码后送单片机读入，发射时由单片机产生40KHZ红外调制信号送红外线发射管发射-Single-chip design of the remote control circuit, remote control code number of the pulse width decoder using infra-red receiver to read single-chip evacuation, launch generated by sing