Hacked Gadgets Forum

March 12, 2007

Recorded Audio Doorbell

at 5:05 am. Filed under Electronic Hacks

This project was constructed by Apnoe, a member of the Hacked Gadgets forum. His entire article has been reproduced here since he doesn’t have a Web server that is on 27/4. If you have any questions you can ask them here or email Apnoe directly at apnoe at gmx.de.

“This is my self-assembled doorbell. I wanted a doorbell that can play a audiosample of my own choice and not that boring ugly noise. Well, of course the doorbell must be able to record/play some audio for at least some few seconds. Because I like the TV-Show STARGATE a lot I wanted that special alarm sound when somebody is pushing the button outside.

When someone now is pushing that button outside I hear the STARGATE-Alarmsound with that voice saying “Unplanmäßige Aktivierung von Außen!” (german). I took the sample from one of the episodes I have on videotape. I already prepared some active PC-Speakers for giving external power supply and receiving the audio-signal. They are not connected at the moment, because my dwelling is not that big and I dont need a boosted doorbell atm.

Main Components:
-Digital Voice-Recorder (I used this one: Voice-Module)
-FRS1B-S 5V DC Relais (any radio-shack)
-1N4001 standard Diode (any radio-shack)
-0.1µF 50V Capacitor (seems to be not optimal)
-16R 1W additional speaker (taken from broken TV-Set)

For external PWR-Supply
-7805CT standard 5VDC Voltage regulator (any radio-shack)
-Cooler from don’t ask me :)

Additional things:
Four mignon (AA) batteries for use without external power. Some wires, solder and of course the neccessary tools used for soldering anyway. The basic-plate on that everything is mounted is two 5.25″ slotcovers from old PC’s. I just stuck them together with hot glue and some wires.

Well at the moment it doesn’t look very pretty - so I call it a funOtype (fun-projekt prototype) - maybe I’ll find some time to optimize it and give it a nice case. One existing and future problem is power-supply. If you have a nice idea or any questions on building your own selfmade recordable doorbell - give me some note: apnoe

This is a little pseudo-schematic which might help building your own recordable doorbell”


 


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10 Responses to “Recorded Audio Doorbell”

  1. NGinuity Says:

    Does the doorbell have the Stargate sirens in the background? That would be awesome! It would be yet another way to annoy my wife.

  2. daaave Says:

    Yes! Now my doorbell can tell people to go away and I dont have to…
    seriously though, nice hack

  3. Apnoe Says:

    Hi NGinuity,
    according to your question I must say - yes. There are some alarm sirens before, while (in the background-sound) and after the announcement. Well the announcement means something like “irregular activation from outside” in english - sry I really don’t know what they say in the english version of Stargate. But this would for sure annoy your wife - pls don’t ask mine ;)

  4. Mark Says:

    It’s usually “Unscheduled offworld activation”… :)

  5. LiesOfXIII Says:

    Make it play a really obnoxious knocking sound to defeat the purpose of having a doorbell

  6. NGinuity Says:

    Apnoe:

    “Well the announcement means something like “irregular activation from outside” in english - sry I really don’t know what they say in the english version of Stargate”

    The English translation would be “Unauthorized off-world activation”. That’s one of my favorite parts of Stargate!

  7. NGinuity Says:

    Yeah, my bad, Mark has got it right.

  8. Improbus Says:

    Kree Jaffa!

  9. Thom Morin Says:

    I would like a recording from Home Alone about getting off my property to play outside and a door bell simultainiously to play inside

  10. Alan Parekh Says:

    Have a look at this.
    http://www.winbond-usa.com/en/content/view/36/140/

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