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View Full Version : Papercraft dial is the slide-ruler of current limiting resistors



systemdm
01-14-2013, 09:20 PM
Cool tool to help with calculating what resistor to use with LEDs. Watch the video to see how it works.



http://hackaday.com/2013/01/14/papercraft-dial-is-the-slide-ruler-of-current-limiting-resistors/

CaptKirk
01-14-2013, 09:30 PM
Nice tip- thx!!

Uncle Al
01-14-2013, 11:06 PM
Thanks! This will come in handy!

plasmata
01-18-2013, 01:45 PM
That's pretty cool but not as cool as another hack on that site:

** redacted **

And be sure to watch the video synched to Christmas music!

boyelroy11
01-18-2013, 01:54 PM
Pyrotechnics are a strict no-discuss on this site. Just so you know.

plasmata
01-18-2013, 02:12 PM
Oops, didn't know that. I'll remove that link...