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555 Timer Circuit

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Uploaded by on Nov 18, 2008

Custom PCB board built during Joel's solder workshop in november 2008.


more info:

http://joesaavedra.wordpress.com/2008/11/18/soldering-workshop/

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Howto & Style

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Standard YouTube License

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Top Comments

  • whats with the relays man. power transistors is the way go here.

  • im new to electronics so... ur using the astable mode right? and that uses 2 capacitors right?

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All Comments (14)

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  • Suck it, Nick @ 2:04 Wtf?

  • @100roberthenry educational purposes

  • @eleftherios11 yes!

  • @100roberthenry does it really have to have a point?

  • did you just add the relays to make the ticking sound?

  • you can do it without relays

  • @Logo3801 yeah you got me...got to love the pik pok. I do.

  • @stdavross666 relays make the awesome (pik Pok Pik pok) noises and give it a "real" switching feeling to people who dont know electronics. But yoeah he could have just used transistors

  • and this incredable invention is important because...

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