Finding Substitute for UM3561 Siren Sound Generator

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Discussion Overview

The discussion revolves around finding a substitute for the UM3561 siren sound generator, which is needed for a specific circuit project. Participants are exploring options for purchasing the component or identifying alternatives.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested, Homework-related

Main Points Raised

  • One participant expresses difficulty in locating the UM3561 and seeks suggestions for substitutes or purchasing options.
  • Another participant provides a link to a potential supplier but questions the reliability of the source.
  • A different participant notes a minimum order requirement from the supplier and considers contacting them for clarification.
  • One participant mentions a lack of results from a component search website and suggests collaboration among students to combine orders.

Areas of Agreement / Disagreement

Participants have not reached a consensus on a suitable substitute for the UM3561, and multiple suggestions and concerns about sourcing remain unresolved.

Contextual Notes

Participants have not specified the exact requirements for a substitute, and there may be dependencies on project specifications that are not fully addressed.

Who May Find This Useful

Individuals working on electronics projects that require siren sound generation, particularly those facing sourcing challenges for specific components.

orion141
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Hey guys I am trying to build the circuit from the following link, but I have been unable to find the three siren sound generator UM3561 and I was wondering whether anyone knew of where i could purchase one or what substitute i could use. I have searched all over the internet with no luck.

Link

http://www.electronicsforu.com/electronicsforu/lab/ad.asp?url=/EFYLinux/circuit/January2006/CI-Jan06-02.pdf&title=IR%20Burglar%20Deterrent


Thanks

Tom
 
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I found this on a front page of a Google search, don't know how reliable the site is though:

http://www.kelvin.com/Merchant2/merchant.mv?Screen=PROD&Product_Code=600203&Category_Code=ELPCICSC
 
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I saw them but there is one problem, they require a $20 minimum order but don't carry anything else I need for the project, but maybe i will call them and see what they say. Thanks
 
Hmmm. No match at findchips.com either. Hopefully the kelvin site works for you. Are there any other students building this project? Maybe you can all pool your order.
 

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