Project #26 shine on siren, Shooting sounds, Song & siren – Elenco Circuit Maker Skill Builder 125 User Manual

Page 25: Static song, Ambulance melody, Project #27, Project #28, Project #30, Project #29

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Project #26

Shine On Siren

Project #27

Shooting

Sounds

Project #28

Song &

Siren

Project #30

Static

Song

Project #29

Ambulance

Melody

This circuit demonstrates how

sounds can be synchronized

to light patterns through the

photoresistor.

Build the circuit shown on the left.
Cover the photoresistor (RP) and turn on the switch (S1). A police siren

is heard for a while and stops, then you can control it by covering or

uncovering the photoresistor.

Modify

Project

#26

connecting points X & Y. The

circuit works the same way but

now it sounds like a machine

gun.

Now remove the connection

between X & Y and then make a

connection between T & U. The

circuit works the same way but

now it sounds like a fire engine.

Now remove the connection

between T & U and then make a

connection between U & Z. The

circuit works the same way but

now it sounds like an

ambulance.

Now remove the connections

between U & Z and between V &

W, then make a connection

between T & U. The circuit

works the same way but now it

sounds like a familiar song but

with static.

CM-125_Manual_031514.qxp_CM-125_Manual_031514 4/2/14 12:19 PM Page 25