Elenco Electronics 202 - Manual (Page 115)

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Project #270
OBJECTIVE: To control the motor speed.
Turn on the slide switch (S1): the motor (M1) spins, the lamp (L2) lights,
and you hear the sound of the motor in the speaker (SP). Push the press
switch (S2): the motor spins faster and the LED (D1) lights but the lamp
is off and the speaker is silent.
Two-speed Motor
Lights-Sound
Project #269
OBJECTIVE: To control the motor speed.
Turn on the slide switch (S1), the motor (M1) spins and the lamp (L2)
lights. Press the press switch (S2), the motor spins faster and the LED
(D1) lights but the lamp is off.
Two-speed
Motor Lights
!
WARNING: Moving parts. Do not touch the fan or
motor during operation.
!
WARNING: Moving parts. Do not touch the fan or
motor during operation.