Project #264, Alarm vibrator w/ led, Project #265 – Elenco Electronics 202 User Manual
Page 113: Alarm vibrator w/ led (ii)
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Project #264
OBJECTIVE: To show how electricity can move things using
magnetism.
Alarm Vibrator w/ LED
Take a paper clip and straighten it out, bend it in
half, and place it into the electromagnet (M3)
center. Turn on the slide switch (S1), and the
paper clip should vibrate and LED (D1) flashes.
Now push the press switch (S2), the paper clip is
sucked up by the electromagnet and a siren
alarm sounds.
Drop in
Straighten and
bend paper clip
Project #265
OBJECTIVE: To show how electricity can move things using
magnetism.
Alarm Vibrator w/ LED (II)
Take a paper clip and straighten it out, bend it in
half, and place it into the electromagnet (M3)
center. Turn on the slide switch (S1), and the
paper clip should vibrate.
Now push the press switch (S2), the paper clip is
sucked up by the electromagnet and the LED
(D1) flashes.
Drop in
Straighten and
bend paper clip
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