This be Light Wave Receiver circuit , perform take sound signal from the light by modify from the light into pieces hear at a loudspeaker. By the circuit uses LM741 , be IC op-amp the multi-purpose IC. It use for enlarge sound signal , change the way Photo transistor into pieces give hear loudspeaker way well.
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This entry was posted on Sunday, December 21st, 2008 at 10:52 am and is filed under signal generator.
