Design an alarm circuit (details below)

Hi there i need a circuit designed that is to feature the following.

Use 1x 12v A27 Battery: [url removed, login to view]

With this Audio Buzzer [url removed, login to view]

Circuit is to feature a sense line that when broken powers the buzzer.

I'd like to know approximately how long the circuit will run for (standby not buzzing) before having to change the battery.

All parts are to be accessible from this website/local store: [url removed, login to view]

Any further questions please ask.

I have tried this circuit but with the above mentioned buzzer and speaker and it doesnt seem to work. [url removed, login to view]

Compétences : Génie Électrique, Electronique

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Concernant l'employeur :
( 29 commentaires ) Perth, Australia

Nº du projet : #12681182

Décerné à:


Hi I am interested to your project. I am familiar with electronics, PIC microcotroller as well as PCB design by Eagle. Thanks.

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10 freelance font une offre moyenne de $97 pour ce travail

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I am an Electrical Engineer having specialization in Electronics and Control, teaching in Electrical Department at FAST National University Pakistan. I am also persuing my MS degree in Electrical Engineering with speci Plus

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Hi, I hope you are doing well. I need to know what kind of wire it is, is just a simple wire like alarm clock mentioned in the link or is it live wire? Looking Forward,

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Hi i can do your project and save you time but i wiĺl take some times 5 day will be great

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Dear Client, Thanks for providing us opportunity to place bid over the project and communicate with [login to view URL] mainly deal in web development, SEO, Android App, software testing and graphic design. Our vision is to b Plus

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[login to view URL] [login to view URL] [login to view URL] ================================================================ Please hir Plus

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