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原文 Simple signal generator circuit by 2N3906 This circuit is a simple signal.It can generate signals, both light and sound Alternating.Which can be applied to work. For example Taillight of bicycle or Turn left and the right of the bicycle. Etc. When entering into power supply circuit. by circuit will have Q1 and Q2 to be astable multi vibrator. This will work in any way ON and OFF.Or vice versa on all the time.And Pin Collection (C) of the two transistors.Connected to the light source device (LED1-LED4).For the audio source device is Buzzer BZ1.While the one ON transistor will allow the device is connected to pin C is running.The signal alternates between light and sound all the time. 软件翻译 该电路是一个简单的信号。它可以产生信号，光和声音的交流。可以应用到工作。用于自行车的例子尾灯或转左和右的自行车。等。 当进入电源电路。通过电路将Q1和Q2是无稳态多谐振荡器。这将工作在任何方式上下车。或反之亦然，在所有的时间。和销集（C）的两个晶体管。连接到光源装置（led1-led4）。对于音频源设备是蜂鸣器BZ1。而在晶体管一将允许设备连接到引脚C运行光和声音。所有的时间之间的信号变换。
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