Betzold 89211 Mode D'emploi page 62

16. Feedback Oscillation combined with Effect Sounds (Roaring Sounds)
17. Various Gates Control LED, Lamp and Music-IC
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330. Hand-operated multitone roaring sound
Connect the pressure switch (14) to the points A and B. Close the slide
switch (15). Press the pressure switch (14). Multitone roaring sounds
are heard from the loudspeaker (20).
331. Light-operated multitone roaring sound
Connect the photo-sensor (16) to the points A and B. Close the slide
switch (15). On the incidence of light multitone roaring sounds are heard
from the loudspeaker (20).
332. Contact-operated multitone roaring sound
Close the slide switch (15). Touch the switch (12). Multitone roaring
sounds are heard from the loudspeaker (20).
333. Vibration-operated multitone roaring sound
Replace the sound transducer (11) with the capacitor (44) (likewise with
334). Replace the contact switch (12) with the vibration switch (10). On
tapping multitone roaring sounds are heard from the loudspeaker (20).
334. Hand-operated, power amplified roaring sound
Connect the pressure switch (14) to the points A and B. Press the
pressure switch. A roaring sound is heard from the loudspeaker (20).
335. Contact-operated, power amplified roaring sound
Touch the switch surface (12). A roaring sound is heard from the
loudspeaker (20).
336. Magnet-operated variations of a roaring sound
Connect the reed switch (13) to the points A and B. By bringing a
magnet close a multitone roaring noise is heard from the loudspeaker
(20).
337. AND Gate with LED
In the first illustration the slide switch (15) and the pressure switch (14)
must be connected at the same time in order to allow the LED to light
up. This is the operating principle of an AND gate.
338. OR Gate with LED
In the second illustration the slide switch (15) or the pressure switch
(14) must be closed in order to allow the LED to light up. This is the
operating principle of an OR gate.
339. NOT Gate with LED
In the third illustration the LED does not light up when the slide switch
(15) is closed. This is the operating principle of a NOT gate.
340. NAND Gate (NOT - AND) with LED
Replace a left 3-way connection in the third illustration with the pressure
switch (14). When the slide switch (15) and the pressure switch (14) are
closed, the LED does not light up. This is the operating principle of a
NAND gate.
341. NOR Gate (NOT - OR) with LED
Connect the pressure switch (14) in the third illustration switch in
parallel with the slide switch (15). When one or the other switch is
closed, the LED (17) does not light up. This is the operating principle of
a NOR gate.
342. AND Gate with lamp
In the fourth illustration the slide switch (15) and the pressure switch
(14) must be closed in order to allow the lamp (18) to light up.
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