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RF module suggestions

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elsey.jack

New Member
Hello everyone,

I am building a weather balloon for a research project. It will be tethered and float at a maximum height of 100 M. I plan to have it transmit the temperature via radio to a hand held unit.

I was using a pair of walkie-talkies for transmitting the signal, but I think that I may have just fried one trying to modify it for my nefarious purposes. :(

Before I go and sink another $25 on a walkie-talkie set, does anybody have any suggestions for RF modules that I could get instead? Can you buy a paired transmitter and receiver? How expensive would such a system be?

Also, will transmitting the signal via an RF module change the frequency of the signal sent?

Thanks,
Jack
 

elsey.jack

New Member
Yes, I'm using a picaxe 18X chip both in the weather balloon and the hand-held module.

Would it be easier to send the data via a serial connection? I am a newbie when it comes to this stuff.
 
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