Tiny 2-Way Beeper Needed

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fine-tune
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Tiny 2-Way Beeper Needed

Post by fine-tune » Wed Oct 05, 2011 11:54 pm

I think most of us could breadboard a simple rf transmitter-receiver with a range of
a couple of hundred feet. What I need may not be available because it's too simple!

I'm looking for a device that could be carried in a pocket, hung around your neck like
a pendant, or worn like a wristwatch. When you press a button it sends a signal to
another person carrying the same gizmo. A basic "beep-beep-beep" would be fine.
A range of 200 ft. would be more than enough.

I've got two elderly relatives (very healthy) that will never use a cell phone or a
computer. Instead of shouting when help is needed, I want them each to have
a tiny rf beeper. Anything I could build at my workbench would not be small enough.
If it's not very convenient to carry, they won't use it.

Is there a manufactured product?

(A couple of simple frs/gmrs radios I purchased were quickly returned to me. They
hated them immediately.)

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jwax
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Re: Tiny 2-Way Beeper Needed

Post by jwax » Thu Oct 06, 2011 10:58 am

WA2RBA

fine-tune
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Re: Tiny 2-Way Beeper Needed

Post by fine-tune » Thu Oct 06, 2011 5:21 pm

The transmitter is perfect. That 56db teddy bear receiver is fine for a small child
who wanders away from a parent. My elderly uncle is not going to walk around
with a plastic teddy bear. All they need is a peaceful beep-beep-beep.

dyarker
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Re: Tiny 2-Way Beeper Needed

Post by dyarker » Thu Oct 06, 2011 9:30 pm

My elderly uncle is not going to walk around with a plastic teddy bear.
True. But the electronics are done, especially the RF part, and are very small. IF you can get the bear open (without destroying the circuit :smile: ) it can be rehoused in something more appropiate.
All they need is a peaceful beep-beep-beep.
Sound level can be reduced with some cotton or foam and/or a resistor in series with the speaker/buzzer.

Cheers,
Dale Y

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jwax
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Re: Tiny 2-Way Beeper Needed

Post by jwax » Fri Oct 07, 2011 4:51 am

Indeed. Google "Child Locator" to see a large selection of similar devices.
Some repackaging may be necessary.
WA2RBA

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haklesup
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Re: Tiny 2-Way Beeper Needed

Post by haklesup » Fri Oct 07, 2011 10:32 am

A beeper is probably not going to change their behaviour of shouting across the house to each other but I understand you have to try

Bygar
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Re: Tiny 2-Way Beeper Needed

Post by Bygar » Sat Jan 14, 2012 2:41 pm

Try Visitect Inc. They have or had Keychain transmitters and moderately small receivers.
Receivers were available as kit transmitters were not.
Email: [email protected]
If still in business.

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