Betzold 89211 Mode D'emploi page 63

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343. OR Gate with lamp
When in the illustration on the right the slide switch (15) or the pressure
switch (14) is closed, the lamp (18) lights up.
344. AND Gate for a musical bell
When in the illustration on the right the slide switch (15) and the
pressure switch (14) are closed, the musical bell sounds.
345. OR Gate for a musical bell
In the illustration above left connect the pressure switch (14) in parallel
with the slide switch (15). This is then an OR gate for the musical bell.
346. AND Gate / OR Gate for the sound of thunder
Replace the music-IC (21) with the alarm-IC (22). Continue as in 342
and 343.
347. NOT Gate for music
Close the slide switch (15) in the illustration on the left. The music no
longer sounds.
348. NAND Gate (NOT - AND) for music
Connect the pressure switch (14) and the slide switch (15) in series.
This is a NAND gate.
349. NOR Gate (NOT - OR) for music
Connect the pressure switch (14) and the slide switch (15) in parallel.
This is a NOR gate.
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© Arnulf Betzold GmbH