Dual Tone Model Train Horn/Sound Generator Circuit using 556 IC


Posted on Feb 7, 2014

A dual tone model train horn/sound generator/simulator circuit can be made using two NE 555 timers connected in cascade. But here circuit diagram is designed with NE 556 IC, which is nothing but two 555 in one package..


Dual Tone Model Train Horn/Sound Generator Circuit using 556 IC
Click here to download the full size of the above Circuit.




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