Sub-$10 sound card photogate variants

Recently, a simple and very low-cost photogate has been shown by Horton as an efficient experimentation tool in physics education. The photogate connects to the microphone input of a personal computer, and free software can be used to visualize the light interruptions caused by a moving object such...

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Bibliographic Details
Main Author: Gingl Zoltán
Format: Article
Published: 2011
Series:PHYSICS TEACHER 49
doi:10.1119/1.3628274

mtmt:1612002
Online Access:http://publicatio.bibl.u-szeged.hu/6330
Description
Summary:Recently, a simple and very low-cost photogate has been shown by Horton as an efficient experimentation tool in physics education. The photogate connects to the microphone input of a personal computer, and free software can be used to visualize the light interruptions caused by a moving object such as a pendulum. Although the device works properly, there are further possibilities of improvement and similar alternatives also exist. The following brief review may help teachers to pick the one that best fits their needs and possibilities
Physical Description:390-391
ISSN:0031-921X