December 2014
Intermediate to advanced
144 pages
3h 30m
German
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Kapitel 2. Einfache Sensoren
Lassen Sie uns ein paar mehr Sensoren verbinden und ein bisschen mehr Theorie lernen. Die Schaltkreise aus diesem Kapitel müssen nicht »programmiert« werden – es wird also kein Arduino oder Raspberry Pi genutzt. Die Sensordaten werden stattdessen von den elektrischen Eigenschaften jeder Komponente in der Schaltung »interpretiert«.
Ein Sensor ist eine physikalische Eingangsquelle für eine Schaltung. Sensoren sind Messwandler. Das Umwandeln einer ermittelten Energie in eine andere Form wird als Transduktion bezeichnet. So wandelt zum Beispiel ein Lichtsensor Helligkeit in elektrischen Widerstand um.
Eine andere Form eines solchen Umwandlers ist ein Aktuator. Statt auf etwas in der Umgebung zu reagieren, sorgt ein Aktuator ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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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.