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Betzold 89211 Mode D'emploi page 41

Kit d'introduction à l'électronique

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B: Optical Displays via LEDs
All manuals and user guides at all-guides.com
38. Hand-operated LED
Close the slide switch (15) (also in 39. to 41.). When the LED (17) goes
out, it can be switched on again with the pressure switch.
39. Magnet-operated LED
Replace the pressure switch (14) with the reed switch (13), you can
operate the LED (17) with the magnet.
40. Light-operated LED
Replace the pressure switch (14) with the photo-sensor (16) and you
can operate the LED (17) with light.
41. Moisture-operated LED
Replace the pressure switch (14) with the humidity switch (12). When
moisture touches the switch surface the LED (17) lights up.
42. Time-limited, sound-operated LED – 1 –
Connect the sound transducer(11) to the points A and B. When the LED
(17) goes out, clap your hands and the LED (17) lights up again.
43. Time-limited, sound-operated LED – 2 –
Connect the sound transducer(11) to the points B and C. When the LED
(17) goes out, clap your hands and the LED (17) lights up again.
44. Time-limited, sound-operated LED – 3 –
Connect the loudspeaker(20) to the points A and B. When the LED (17)
goes out, clap your hands loudly in the direction of the loudspeaker and
the LED (17) lights up again.
45. Time-limited, sound-operated LED – 4 –
Connect the loudspeaker(20) to the points B and C. When the LED (17)
goes out, clap your hands loudly in the direction of the loudspeaker and
the LED (17) lights up again.
46. Time-limited, motor-operated LED – 1 –
Connect the motor (24) to the points A and B. When the LED (17) goes
out, slightly turn the motor axle. The LED (17) lights up again and goes
out after a while.
47. Time-limited, motor-operated LED – 2 –
Connect the motor (24) to the points B and C. When the LED (17) goes
out, slightly turn the motor axle. The LED (17) lights up again and goes
out after a while.
48. Time-limited, vibration-operated LED – 1 –
Close the slide switch (15). When the LED (17) goes out, tap lightly on
the base plate. The LED (17) lights up and goes out after a while.
49. Time-limited, vibration-operated LED – 2 –
Replace the resistor (30) with the vibration switch (10). Tap lightly on the
base plate. The LED (17) lights up and goes out after a while.
50. Time-limited, hand-operated LED – 1 –
Replace the vibration switch (10) with the pressure switch (14), press
this and the LED (17) lights up for some time.
51. Time-limited, hand-operated LED – 2 –
Replace the resistor (30) with the pressure switch (14), press this and
the LED (17) lights up for some time.
52. Time-limited, hand-operated LED – 3 –
Remove the vibration switch (10), keep the resistor (30). Connect the
points A and B to the pressure switch (14), press this and the LED (17)
lights up for some time.
– 41 –
© Arnulf Betzold GmbH

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