Digital steam locomotive bell?

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doublereefed
Posts: 175
Joined: Wed Jan 30, 2008 7:24 am
Location: Manhattan Beach, CA

Digital steam locomotive bell?

Post by doublereefed » Mon May 20, 2019 10:28 pm

Has anybody shared a simple way to hook up a nice sounding digital bell sound for a steam locomotive? 12V, speaker under the tender, push button gives the typical ringing bell sound. I guess there might be an inexpensive sound chip out there with good quality?

Thanks!

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DianneB
Posts: 733
Joined: Tue Aug 21, 2012 3:05 pm
Location: Manitoba, Canada

Re: Digital steam locomotive bell?

Post by DianneB » Tue May 21, 2019 7:45 am

I designed one some years back (schematic attached) and it sounded pretty good but I never installed it.

The down-side is that you have to download an audio clip, open it in a Hex editor, and trim out the code to transfer to the ROM, and then program the ROM.
Bell Schematic.jpg

doublereefed
Posts: 175
Joined: Wed Jan 30, 2008 7:24 am
Location: Manhattan Beach, CA

Re: Digital steam locomotive bell?

Post by doublereefed » Tue May 21, 2019 1:55 pm

Thanks DianneB. There was a time when I was set up for ROM pogramming, no longer. I found a relatively (?) inexpensive sound card at mylocosound. All I need is the bell. I should be able to put the card and a reasonably sized speaker in a box, hang it under the tender. http://www.mylocosound.com/

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Bill Shields
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Re: Digital steam locomotive bell?

Post by Bill Shields » Tue May 21, 2019 9:18 pm

does it sound like an Amtrak bell? :D
Too many things going on to bother listing them.

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