Start building a radio

[jun...@hotmail.com]

Hello, all! 

I am a college student and an aspiring maker, wanting to start with building a simple radio that can broadcast and receive signals. I know some simple circuit analysis and basic analog and digital stuff. What would be a good way to get started? Thanks for any advice!

Jack

[michael wilson]

Receiving is easy, broadcasting a bit harder, and potentially illegal. 

Here's a couple of sites to get you started:
http://artthreat.net/2009/02/do-it-yourself-pirate-radio-kits-available-now/

http://www.diymedia.net/links/lstart.htm

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[Chris Spurgeon]

Do you want to broadcast something complex, like voice or music, or just some relatively low bandwidth data? If the latter, and you only need to broadcast a short distance, then these low cost transmitter and receiver modules from sparkfun.com may be exactly what you need...

https://www.sparkfun.com/products/10532

https://www.sparkfun.com/products/10534

I've used them and they're absolutely wonderful.

Chris Spurgeon

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Chris Spurgeon
ch...@spurgeonworld.com
twitter.com/chrisspurgeon

[Jack Guo]

I should have made it clear. I want to build the radio from SCRATCH, not simply buying a kit and assemble it. Also, I am not broadcasting anything sophisticated, but simple things like, when I wake I can say “Hello, World”, or I can talk to my friends living across the street. Is this legally allowed?

Thanks!

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[Chris Spurgeon]

Ah.  EXCELLENT project!

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