wireless transmitter & receiver with audible warning - Electronic Circuits Projects Diagrams Free

osiris_2000 · 17th September 2003, 10:37 PM

Hi

I have to help out my daughter do a small project in school and entails
the following:
she has to have a wireless transmitter and receiver and when separated
one from each other say 2 or 3 metres and audible sound is emitted, by any one of them, when a certain distance apart is reached.
could anybody please be of help to maybe design a small circuit or draw one for me as to how i can perform this project? and what components to use?

Thanks to all

mysemcon2000 · 18th September 2003, 01:07 AM

Oh thats a good one and easy to do, try to research on EMF emmision, it can be of help.

17th September 2003, 10:37 PM	(permalink)
osiris_2000 New Member	wireless transmitter & receiver with audible warning Hi I have to help out my daughter do a small project in school and entails the following: she has to have a wireless transmitter and receiver and when separated one from each other say 2 or 3 metres and audible sound is emitted, by any one of them, when a certain distance apart is reached. could anybody please be of help to maybe design a small circuit or draw one for me as to how i can perform this project? and what components to use? Thanks to all

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18th September 2003, 01:07 AM	(permalink)
mysemcon2000 Experienced Member	Oh thats a good one and easy to do, try to research on EMF emmision, it can be of help.