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NATURE & DECOUVERTES 42000880 Manual Del Usuario página 31

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3
3V
+
19
3V
+
19
3
16. Connecting Batteries in Series
This illustration shows two battery units connected in series. Assemble as illustrated.
Ensure the two battery units
19
are in the same direction. The total voltage of series
connected battery units is equal to the sum of the sub-voltages (6V in this example).
One 3V battery set is not sufficient to operate both the lamp
18
and the motor
Therefore, two battery sets are used.
WARNING: moving parts. Do not touch the fan or motor during operation. Do not lean over the motor.
6
3V
+
3V
+
19
19
5
17. Connecting Batteries in Parallel
This illustration shows two battery units in parallel. Assemble as shown. When batte-
ry units of the same voltage are used in parallel, the total voltage is the same as one
battery unit (3V in this example).
24
.
60
18. Switch Activated Doorbell
Assemble as illustrated. Turn on the slide switch
15
. A tune plays and then stops. Close
the button switch
14
. The music plays as long as the button switch
14
is closed.
19. Magnetically Activated Doorbell
Replace the button switch
with the reed relay
. Turn on the slide switch
14
13
music stops, place the magnet near the reed relay
. The music plays.
13
13
20. Light Activated Doorbell
Replace the button switch
with the photosensor
. Turn on the slide switch
14
16
the music stops, expose the photosensor
to light. The music plays as long as the
16
photosensor is activated.
16
21. Water Activated Doorbell
Replace the button switch
14
with the touch plate
12
. Turn on the slide switch
the music stops, put some water on the touch plate
. The music begins again.
12
12
5
A
. After the
15
B
21
2
4
. After
15
22. Sound Activated Doorbell
Connect the buzzer
11
to points A and B shown in the illustration. Turn on the slide
switch
15
. After the music stops, clap your hands over the buzzer
begins again.
11
15
. After
23. Motor Activated Doorbell
Connect the motor
to points A and B. Turn on the slide switch
24
stops, gently turn motor axle. The music begins again.
+
24
61
3V
+
19
2
11
, and the music
. After the music
15

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