A horn for your scaler

[heyok]

This is a remote controlled horn.

Plug it into a spare channel. When the channel is 0% to about 50%, the horn is off. From about 50% to 100% the horn is on.



The specs on the buzzer say:
Sound Pressure Level: 83dB @ 10cm

$10

[TEDROCKZ]

Quick video for demo?

[heyok]

Originally Posted by TEDROCKZ

Quick video for demo?

Here it is...

http://www.youtube.com/watch?v=EKC72...ature=youtu.be

[Spidubic]

That would make a cool backup beeper as well.

[Scattman]

Fantastic idea...................not sold on that particular tone for a horn though. Other options available as far as the tone?

[heyok]

Originally Posted by Scattman

Fantastic idea...................not sold on that particular tone for a horn though. Other options available as far as the tone?

I agree on the sound. It's a physics thing. Scale down the diaphragm and the frequency goes up. I can get larger transducers that will make a lower pitch sound. Price goes up too.

[losikid]

Actually, the frequency is so high because piezzo buzzers are designed to get attention/be noticable. There is a oscillator circuit in the buzzer that takes the dc voltage and runs it at a really high frequency (about the max that a human can hear). What the oscillating voltage does is vibrate some material. I think its called like piezoelectric material or something.

They might sell them at a lower frequency? Might be worth lookin into...

[CrawlinMike]

For $10 to get a horn workable from an extra channel. Heck yes. That high pitched- no. You make great stuff I know. I'll wait for something that sounds a little closer to the real thing tho.

[Scurvy]

I was just thinking about this @Ioco last weekend, would be a funny thing to have for the 'busy' trails!

Get out of my head Al! ;)

[JeremyH]

Originally Posted by losikid

What the oscillating voltage does is vibrate some material. I think its called like piezoelectric material or something.

Yep, just like an ultrasound transducer....but a lower frequency. They make different frequencies by changing the shape of the piezoelectric material. They used to use crystals, but now mostly use a ceramic material.

[brandonwalsh420]

love the idea... hate how high pitch the horn is tho...

[heyok]

Originally Posted by brandonwalsh420

love the idea... hate how high pitch the horn is tho...

Yup, I get it.

I have another transducer on its way. Will see what I can do with that. Unlike the first one, it doesn't oscillate by itself. This means I can send it a frequency of my choice. From what I have been able to find out, a frequency of about 400 Hz is common for a car horn.

[d.a.v.e]

Any chance of getting one that sounds like the general lee horn?

[heyok]

Originally Posted by d.a.v.e

Any chance of getting one that sounds like the general lee horn?

The R&D department is working on that now

[Postclanker]

An air horn....nice and loud

[ROLANDROCKSHOP]

looks/sounds just like one of my airplane lipo alarms..

[STANG KILLA SS]

definatly in for a lower pitch horn

[Tzi]

If you change to a normal speaker you can then alter the tone frequency in code using a pwm output...
I think this is the most original idea you have produced yet... nothing else like it on the market.
Well done ;)

[arny]

i'm in for a low freq horn too

[boosted4lyf]

Get that sum bitch to play Dixie I'm sold. Hell I'd buy one that plays la cooka racha