The Photophone
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Uploaded by HackaweekTV on Jun 2, 2011
Alexander Graham Bell invented this device in 1880! It transmits sound via a beam of reflected light! More details at www.hackaweek.com/hacks
- 46 likes, 0 dislikes
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Uploader Comments (HackaweekTV)
All Comments (21)
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Hey Thanks !!!
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I like the opening music where did you get it...NESDEV...lol
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whoop squeak toy! ha ha
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If it requires an initial steady light beam, what about using a laser light to reflect for a more pinpoint beam for the solar cell receiver?
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forest mimms , i wanna PARTY with that dude !
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i have a few sets if IR sender / revievers , i have been thinking , what could i do with these . hoping maybe you will eventually utilize those !
thanks for your work , i look forward to HAW ! i built my 4th slide synth board , hoping this one works , the first rush job was fine , 2 and 3 were intermittent ! i am trying to a lil nicer "chassis , but keep it small . it looks nice and its LOUD , but after a minute , she rises in pitch and stalls ! cant figure it out , STILL ! heh .
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1:33 "Oop, squeak toy!"
Hahaha! Nice project Dino! I read about that same problem Forrest Mims wrote about in the Jameco emails I get. I wasn't familiar with a photophone at the time and did figure it out ;-)
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Sounds very nice. Did you use any frequency correction at the sending end? Like the media player software's equalizer as a preemphasis? Or is the mass of the mirror to big to resonate at higher frequencies? What did you use the bass pedal for?
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Great stuff. Can't wait for the next hack.
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Wow!!
TheThievingBeggars 45 minutes ago
Way cool Dino!!
doggiedoc94 1 hour ago
very nice! always great to see what you have for us. and i love the doors, so that made it better.
helpwantedfilms 1 hour ago
Very cool! You deserve a lot more views.
TechShmoo 1 hour ago
HackaweekTV 9 months ago