Elenco LIGHT - Manual (Page 24)

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!
WARNING: Moving parts. Do
not touch the fan or motor
during operation. Do not lean
over the motor. Fan may not rise
until switch is released.
Build the circuit as shown. Place the glow fan on the motor (M1) shaft, so that it is stable on the little black
piece. Place the clear fiber optic holder on the white LED (D6) and the black fiber optic holder on the
phototransistor (Q4), then insert the fiber optic cable between them, but don’t let it lay close to the fan on
the motor. For best performance the fiber optic cable should stand straight up in the holders, without bending
them. For best effects, place one of the LED attachments over the light on the color organ, and one on the
color LED (D8).
Optional: connect a music device to the color organ (U22) as shown, and start music on it (the color organ
light will change to the music, but you will not hear it unless you also connect headphones).
Turn on slide switch (S1). A tone is hear from the speaker (SP), and all the lights (D1, D6, D8, and on U22)
are on.
Push the press switch (S2) until the motor reaches full speed, then release it. The fan will rise into the air
like a flying saucer. Be careful not to look down on the fan when it is spinning.
Project 10 Box Cover Circuit
Headphones
(optional)
Music device
(optional)
This circuit is called the Box Cover
Circuit because it is pictured on
the front of the Snap Circuits
®
LIGHT box, use that picture to
help in building it.
+
Black
Clear