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Step 2Build Circuit
build the circuit shown below from your components...
Their are two essential, traceable circuits in the overall diagram they should go as follows
Light Circuit:
positive terminal of battery box unit goes to LEDs (in series)
negative terminals of LEDs go to transistor's Collector pin
transistor's Emitter pin goes to battery box unit's negative terminal
Controller Circuit:
Positive terminal of phono jack goes to speaker and transistor's Base
Negative terminal of phono jack goes to speaker and transistor's Emitter
Their are two essential, traceable circuits in the overall diagram they should go as follows
Light Circuit:
positive terminal of battery box unit goes to LEDs (in series)
negative terminals of LEDs go to transistor's Collector pin
transistor's Emitter pin goes to battery box unit's negative terminal
Controller Circuit:
Positive terminal of phono jack goes to speaker and transistor's Base
Negative terminal of phono jack goes to speaker and transistor's Emitter
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Oct 18, 2006. 3:48 PMNeech
says:
Sweet idea, I want one. What did you use for your power supply? 3V - 2AA? Why does your ciruit have the diodes in parellel?
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Jan 5, 2007. 4:16 PM
gschoppe (author)
says:
gschoppe (author)
says:
they're in parallel because thats the way the skull was already made... if you made your own, you'd want them in series
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