This is Simple Tone Oscillator Generator. It is use transistor 2N2222 and 2N2907 be main part. By control tone sound with R2 – 50K and use 8ohm size. Detail other loudspeakers have a few , request friends see in the circuit please yes.
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This entry was posted on Wednesday, September 24th, 2008 at 8:14 am and is filed under Audio - Alarm.
