Comments on: Use sound card for science experiments https://www.epanorama.net/blog/2012/04/12/use-soundcard-for-science-experiments/ All about electronics and circuit design Thu, 23 Apr 2026 09:04:35 +0000 hourly 1 http://wordpress.org/?v=3.9.14 By: Tomi Engdahl https://www.epanorama.net/blog/2012/04/12/use-soundcard-for-science-experiments/comment-page-1/#comment-1822643 Wed, 21 Feb 2024 12:12:21 +0000 http://www.epanorama.net/blog/?p=9067#comment-1822643 https://www.onetransistor.eu/2019/11/audio-card-infrared-receiver.html

]]> By: Tomi Engdahl https://www.epanorama.net/blog/2012/04/12/use-soundcard-for-science-experiments/comment-page-1/#comment-1717933 Mon, 05 Jul 2021 11:49:18 +0000 http://www.epanorama.net/blog/?p=9067#comment-1717933 https://hackaday.com/2021/07/03/your-pc-sound-card-as-a-sensor-input/
https://nagimov.me/post/measure-with-music-how-to-read-analog-sensors-using-a-pc-sound-card/

]]> By: carolina https://www.epanorama.net/blog/2012/04/12/use-soundcard-for-science-experiments/comment-page-1/#comment-496431 Wed, 28 May 2014 03:01:08 +0000 http://www.epanorama.net/blog/?p=9067#comment-496431 Hello,
Thanks for this article which I think will be helpful for me.

]]> By: Tomi Engdahl https://www.epanorama.net/blog/2012/04/12/use-soundcard-for-science-experiments/comment-page-1/#comment-177512 Wed, 26 Feb 2014 07:06:57 +0000 http://www.epanorama.net/blog/?p=9067#comment-177512 Sound Card Tachometer Rises From the Junkbox
http://hackaday.com/2014/02/25/sound-card-tachometer-rises-from-the-junkbox/

An IR break beam sensor from an old printer was a perfect fit in an aluminum tube.

Measuring the RPM of the device under test is simply a matter of determining the frequency of the signal and multiplying by 60. A 400 Hz signal would correspond to a shaft turning at 24,000 RPM.

This is due to the AC coupled nature of sound cards. As the signal approaches DC, the waveform will become more distorted.

]]> By: Tomi Engdahl https://www.epanorama.net/blog/2012/04/12/use-soundcard-for-science-experiments/comment-page-1/#comment-23062 Thu, 23 May 2013 15:01:45 +0000 http://www.epanorama.net/blog/?p=9067#comment-23062 Measure resistance and temperature with a sound card
http://www.edn.com/design/consumer/4368082/Measure-resistance-and-temperature-with-a-sound-card

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]]> By: Sylvia https://www.epanorama.net/blog/2012/04/12/use-soundcard-for-science-experiments/comment-page-1/#comment-23060 Thu, 12 Jul 2012 08:17:24 +0000 http://www.epanorama.net/blog/?p=9067#comment-23060 I don’t really know much about soundcard and this is really helpful. Thanks for imparting us which can be the best to used. I will try to look out for this.

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