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== Introduction == | == Introduction == | ||
The [http://www.rfsolutions.co.uk/acatalog/FM_Radio_Modules.html Alpha family] of radio modules are available from Maplin, [http://www.maplin.co.uk/module.aspx?moduleno=267236 codes A58JN-A63JN]. | The [http://www.rfsolutions.co.uk/acatalog/FM_Radio_Modules.html Alpha family] of radio modules are available from Maplin, [http://www.maplin.co.uk/module.aspx?moduleno=267236 codes A58JN-A63JN]. | ||
[[File:ALPHA-TX-500.jpg|thumb]] | |||
The [http://www.rfsolutions.co.uk/acatalog/DS-ALPHATX-4.pdf transmitters/receivers] are £4 each, and [http://www.rfsolutions.co.uk/acatalog/DS-ALPHA-TRX-5.pdf transceivers] are £6 each. | The [http://www.rfsolutions.co.uk/acatalog/DS-ALPHATX-4.pdf transmitters/receivers] are £4 each, and [http://www.rfsolutions.co.uk/acatalog/DS-ALPHA-TRX-5.pdf transceivers] are £6 each. | ||
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. | |||
== Architecture == | == Architecture == | ||
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They are controllable through SPI, and provide a clock, interrupt pins and low battery indicator for use without an Arduino. | They are controllable through SPI, and provide a clock, interrupt pins and low battery indicator for use without an Arduino. | ||
== Software == | |||