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'''555 timer in astable mode''' with speaker and different conductive materials | '''555 timer in astable mode''' with speaker and different conductive materials | ||
<iframe src="https://player.vimeo.com/video/134547338" width="500" height="281" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe> <p><a href="https://vimeo.com/134547338">conductivity 1</a> from <a href="https://vimeo.com/pratchel">pratchel</a> on <a href="https://vimeo.com">Vimeo</a>.</p> | |||
[[File:555_astable_1.jpg]] | [[File:555_astable_1.jpg]] | ||