Project #294, Led control motor project #295, Led control motor (ii) – Elenco Electronics 202 User Manual
Page 124
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Project #294
OBJECTIVE: To indicate when a motor is spinning using an
LED.
Place the fan on the motor (M1), turn on the slide switch (S1), and the
LED (D1) lights but the motor does not spin. Pressing the press switch
(S2) connects the motor to the battery (B1). The voltage across the
LED drops, and the LED goes out. You can make a remote motor
spinning indicator if the LED was wired to a different location.
LED Control Motor
Project #295
OBJECTIVE: To indicate when a motor is spinning using an
LED.
This project works the same way as project #294, only now the
speaker (SP) sounds as the motor (M1) spins.
LED Control Motor (II)
!
WARNING:
Moving parts. Do not touch the fan or
motor during operation.
!
WARNING:
Moving parts. Do not touch the fan or
motor during operation.
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