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The [http://www.rfsolutions.co.uk/acatalog/DS-ALPHATX-4.pdf transmitters/receivers] are £4 each<strike>, and [http://www.rfsolutions.co.uk/acatalog/DS-ALPHA-TRX-5.pdf transceivers] are £6 each</strike>. Get the transceivers from Sparkfun, for [http://www.sparkfun.com/commerce/product_info.php?products_id=9582 £4.69 each] (thanks to IGOR from [http://groups.google.com/group/northackton Northackton]). | The [http://www.rfsolutions.co.uk/acatalog/DS-ALPHATX-4.pdf transmitters/receivers] are £4 each<strike>, and [http://www.rfsolutions.co.uk/acatalog/DS-ALPHA-TRX-5.pdf transceivers] are £6 each</strike>. Get the transceivers from Sparkfun, for [http://www.sparkfun.com/commerce/product_info.php?products_id=9582 £4.69 each] (thanks to IGOR from [http://groups.google.com/group/northackton Northackton]). | ||
Now also in stock at RS (RS Stock No. 666-6757) for '''£4.50 each if you buy 2''' [http://uk.rs-online.com/web/search/searchBrowseAction.html?method=getProduct&R=6666757 Clicky!]. | |||
If you get one of these, read the latest [http://www.rfsolutions.co.uk/acatalog/DS-ALPHA-TRX-6.pdf TRX documentation], as the TX and RX are slightly rearranged equivalents, but the TRX documentation is fuller. | If you get one of these, read the latest [http://www.rfsolutions.co.uk/acatalog/DS-ALPHA-TRX-6.pdf TRX documentation], as the TX and RX are slightly rearranged equivalents, but the TRX documentation is fuller. | ||
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