Pt2272

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Pt2272

Postby babemomo » Fri Mar 11, 2011 9:45 am

Hi,
i am developing a wireless alarm system.
and i am using the pt2272 as the decoder and using the RF module to receive the RF.
But i have the problem to connect the buzzer to the pt 2272.
anybody have any idea how should i connect it?
Thank you very much
babemomo
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Re: Pt2272

Postby shahrul » Fri Mar 11, 2011 12:12 pm

I have do RF Module, but never use PT2272 yet.
See this RF Module example.
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Re: Pt2272

Postby ABSF » Fri Mar 11, 2011 2:58 pm

babemomo WROTE:Hi,
i am developing a wireless alarm system.
and i am using the pt2272 as the decoder and using the RF module to receive the RF.
But i have the problem to connect the buzzer to the pt 2272.
anybody have any idea how should i connect it?
Thank you very much


How is you 2272 connected on the Rx side? Under what situation you want the buzzer to sound? Do you want the buzzer to be triggered and latched or just triggered and sound momentarily?

Allen
The next war will determine NOT who is right BUT what is left.
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Re: Pt2272

Postby babemomo » Mon Mar 14, 2011 2:11 pm

ya the pt2272 is connected to the RX side. when it doesnt receive any signal so it will buzz...
when it receive the signal it will stop buzzing again..
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