Project #514, Leaky faucet project #515, Lamp & fan independent – Elenco Upgrade Kit SC300 to SC750 User Manual
Page 74
-9-
This circuit was suggested by
Luke S. of Westborough, MA.
Project #514
OBJECTIVE: To make a low-frequency oscillator.
Build the circuit and set the adjustable resistor (RV) control all the way
to the right. Turn on the slide switch (S1) and you hear a sound like a
faucet dripping. You can speed up the dripping by moving the
adjustable resistor control around.
Leaky Faucet
Project #515
OBJECTIVE: To show how switches allow circuits to operate
independently even though they have the same power source.
This circuit combines projects #1, #2, and #6 into one circuit.
Build the circuit and place the fan on the motor (M1). Depending on
which of the switches (S1 & S2) are on, you can turn on either the
lamp (project #1), the motor (project #2), or both together (project #6).
Lamp & Fan
Independent
!
WARNING:
Moving parts. Do not touch the fan or
motor during operation. Do not lean over the motor.
To learn more about how circuits work, visit www.snapcircuits.net or page 85 to find out about our Student Guides.
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