Receiver controlled buzzer - RC Groups
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May 16, 2017, 03:41 PM
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Receiver controlled buzzer

I have a voltage checker that has a build in buzzer for low voltage. I plan on using that also, but I was needing to know if there is something I could use a channel on the receiver to activate a buzzer with a radio switch? Jus in case it goes down I don't have to wait on my voltage to drop before it's easier to recover.

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May 16, 2017, 05:33 PM
Hot glue held together by foam
balsa or carbon's Avatar
Turn off your TX and this one will sound an alarm in one minute .
May 17, 2017, 10:48 PM
Registered User
Wintr's Avatar
I have a few of these:
If still available, they work quite well.

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