September 2024
Intermediate to advanced
620 pages
13h 38m
German
Content preview from Raspberry Pi Kochbuch, 4. Auflage
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Kapitel 10. Hardware-Grundlagen
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10.0 Einleitung
Dieses Kapitel enthält einige grundlegende Rezepte für die Einrichtung und Verwendung des GPIO-Anschlusses (General Purpose Input/Output) des Raspberry Pi. Über diesen Anschluss kannst du alle möglichen interessanten elektronischen Geräte an deinen Raspberry Pi anschließen.
10.1 Sich am GPIO-Anschluss zurechtfinden
Problem
Du musst Elektronik an den GPIO-Anschluss anschließen, aber zuerst musst du mehr darüber wissen, was die einzelnen Pins tun.
Lösung
Es gibt drei Versionen des Raspberry Pi GPIO-Anschlusses: zwei 26-polige Layouts für den ursprünglichen Raspberry Pi und ein 40-poliges Layout, das mit den Raspberry Pi "+"-Modellen eingeführt wurde und seither verwendet wird.
Ein 26-poliger Raspberry Pi ist eher ein altes Sammlerstück als ein praktischer Computer, und du wirst wahrscheinlich feststellen, dass er langsam und mit einer ganzen Reihe von Software nicht kompatibel ist. Für praktische Zwecke brauchst du also wahrscheinlich einen Raspberry Pi 4 oder 400 oder zumindest einen Pi 3.
Abbildung 10-1 zeigt das aktuelle 40-Pin-Layout, das für alle 40-Pin-GPIO-Modelle des Raspberry Pi bis hin zum Raspberry Pi 4 und 400 gleich ist.
Die oberen 26 Pins sind die gleichen wie die 26 Pins des ursprünglichen Raspberry Pi Modell B Revision 2. Dadurch können die 40-poligen Raspberry Pi-Modelle Hardware ...
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