Sub-$10 sound card photogate variants

Research output: Contribution to journalArticle

4 Citations (Scopus)


Recently, a simple and very low-cost photogate has been shown by Horton1 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.

Original languageEnglish
Pages (from-to)390-391
Number of pages2
JournalPhysics Teacher
Issue number6
Publication statusPublished - Sep 2011

ASJC Scopus subject areas

  • Education
  • Physics and Astronomy(all)

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