Data Sheet

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28. Magnet-controlled Speed of
the Fan
Press the switch (62), the lamp (76) will turn
on dimly and the fan will start spinning. By
moving the magnet towards the reed switch
(83) you can control the speed of the fan.
29. Press Switch-controlled
Speed of the Fan
Replace the reed switch (83) with the press
switch (61), by pressing the press switch
(61) you can control the speed of the fan.
30. Testing Conductors
The tester can check whether the material is conductive or
not. You just need to connect the material across the two
touch plate (80) leads. If the LED (70) turns on, it means the
material is a conductor. If the LED (70) does not turn on it
means the material is an insulator. The brightness of the LED
(70) also tells how good a conductor the material is, where
better conductors make the LED (70) brighter and poorer
conductors make the LED (70) dimmer. You may be able to
see the brightness level of the LED (70) better in a dark room.
1st level
1st level
!
WARNING: Moving parts. Do not
touch the fan or motor during
operation. Do not lean over the motor.
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