Note: P1.0 port by the MCU output audio signal, the P1.0 port access transistor to drive the speakers, the best form with two Darlington transistor structure.
说明：由单片机的P1.0口输出音频信号，在P1.0口接三极管以驱动喇叭，最好用两个三极管构成达林顿结构。
Note: P1.0 port by the MCU output audio signal, the P1.0 port access transistor to drive the speakers, the best form with two Darlington transistor structure.
说明：由单片机的P1.0口输出音频信号，在P1.0口接三极管以驱动喇叭，最好用两个三极管构成达林顿结构。
应用推荐