okay so I'm trying to make a simple laser system using a laser card which produces a laser dot on a SMALL solar cell maxing out at .5V, how would i make it so when the laser isn't there it will set of a peizo siren? please help!
okay so I'm trying to make a simple laser system using a laser card which produces a laser dot on a SMALL solar cell maxing out at .5V, how would i make it so when the laser isn't there it will set of a peizo siren? please help!
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