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157 posts

Master Geek

Topic # 114278 14-Feb-2013 14:09 Send private message

What device is there out there that would enable say a 2 minute sound bite to be stored and played after receiving either a NO or NC signal?
And no, am not talking about a tape recorder with an endless tape!
For alarm purposes.

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2736 posts

Uber Geek
+1 received by user: 24


  Reply # 762383 14-Feb-2013 15:22 Send private message

For voice quality, there are hobby modules around. For music quality, not really.

You can never have enough Volvos!

157 posts

Master Geek

  Reply # 762411 14-Feb-2013 15:58 Send private message

What is a hobby module?
Just out of interest - those old CD players that worked on mains - if you we're playing a CD and turned off the power and then turned it back on again - would the CD resume playing?!

983 posts

Ultimate Geek
+1 received by user: 33

  Reply # 762520 14-Feb-2013 17:29 Send private message

What about one of those key chain cameras, probably could be hacked easy enough?

James Sleeman

My hobby - listing small amounts of interesting/useful hobby electronic components hardware and stuff on Trademe for cheap, all good geek stuff for the "maker" revolution ;-)

Tip for Trademe addicts: install an addon for your browser to get thumbs for all listings.

2736 posts

Uber Geek
+1 received by user: 24


  Reply # 762657 14-Feb-2013 21:35 Send private message

You can never have enough Volvos!

2736 posts

Uber Geek
+1 received by user: 24


  Reply # 762658 14-Feb-2013 21:39 Send private message

Some CD players will auto start if there is a CD loaded and mains is turned on. I believe Sony is one of them. Definitely the ones I've used at various installations (about 3). They do have a tendency to loose laser alignment and you cannot easily adjust it yourself, otherwise Sony CD players are great.

You can never have enough Volvos!

1748 posts

Uber Geek
+1 received by user: 35


  Reply # 762701 15-Feb-2013 01:09 Send private message

I have an MP3 play board for my arduino, it plays files from an SD card.
If I was going to buy the hardware again, I would be a Raspberry Pi.

I liked Neils option, but I think that's limited to 12 seconds of sampling.

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