April 2023
Intermediate to advanced
208 pages
3h 46m
German
Content preview from Raspberry Pi Pico und Pico W Schnelleinstieg
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Kapitel 4Digitale Ein- und Ausgänge
Die digitalen Ein- und Ausgänge eines Microcontrollers sind die Fühler und Verbindungen zur Umwelt und verbinden die Logik (Microcontroller-Board) mit den Sensoren, Schaltern und Aktoren.
Über die Eingänge werden Zustände von Schaltern, Eingabetastern oder Endschaltern eingelesen. Auch digitale Signalwerte von Sensoren können über die digitalen Eingänge verarbeitet werden.
Die Ausgänge liefern Schaltsignale für angeschlossene Aktoren wie Relais, Transistor, Servo oder Motor.
Die digitalen Eingänge und Ausgänge können nur zwei Zustände verarbeiten, 1 oder 0, Ein oder Aus, high oder low. Ein high am Ausgang kann bedeuten, dass ein Relais eingeschaltet wird, ein low schaltet das Relais aus.
Bei einem Eingang ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.