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An Arduino-Controlled Photogate
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10.1119/1.4792011
/content/aapt/journal/tpt/51/3/10.1119/1.4792011
http://aip.metastore.ingenta.com/content/aapt/journal/tpt/51/3/10.1119/1.4792011
View: Figures

Figures

Image of Fig. 1.
Fig. 1.

The photogate housing was made with plastic (PVC) water pipe parts.

Image of Fig. 2.
Fig. 2.

The two photogate electronic circuits are based on an infrared LED and a matching phototransistor.

Image of Fig. 3.
Fig. 3.

The photogate circuit and the Arduino board.

Image of Fig. 4.
Fig. 4.

The “picket fence” was made with Lego bricks.

Image of Fig. 5.
Fig. 5.

The Arduino code for the picket fence experiment.

Image of Fig. 6.
Fig. 6.

The graph of distance vs time for an object in free fall.

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/content/aapt/journal/tpt/51/3/10.1119/1.4792011
2013-02-08
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: An Arduino-Controlled Photogate
http://aip.metastore.ingenta.com/content/aapt/journal/tpt/51/3/10.1119/1.4792011
10.1119/1.4792011
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