Project #139, Project #141 very loud doorbell, Project #143 darkness announcer – Elenco Projects 102-305 User Manual

Page 21: Project #142 doorbell with button, Project #144 musical motion detector, Project #140 louder doorbell, High sensitivity voice doorbell

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Project #139, Project #141 very loud doorbell, Project #143 darkness announcer | Project #142 doorbell with button, Project #144 musical motion detector, Project #140 louder doorbell, High sensitivity voice doorbell | Elenco Projects 102-305 User Manual | Page 21 / 76

This manual is related to the following products:

Snap Circuits® 300 Experiments Snap Circuits® w/ Educational Deluxe Case Snap Circuits® 300-in-1 with Computer Interface Upgrade Kit SC100 to SC300