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Author Topic: gps+rf transmitter+rf reciever+arduino uno...but only one uart port..  (Read 600 times)
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I'm new to arduino. In my project, i need to connect a gps,one rf transmitter and one rf reciever to arduino uno board.But i can find only one rx tx pins in uno.So, how can i connect these three devices to arduino and do switching between them??Someone pls help...
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You can use Software Serial to connect the GPS.

Or you could use an SPI based RF transceiver like the nRF24L01.
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Greece
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Or you can use the Hardware port from uno and use the SoftwareSerial for the rest see here http://arduino.cc/en/Reference/SoftwareSerial
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Someone please suggest me a link to get hint on coding to interface rf transmitter and reciever with  arduino.
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Someone please suggest me a link to get hint on coding to interface rf transmitter and reciever with  arduino.
Which RF transmitter? Which RF receiver? Which Arduino?
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The devices i referred to are arduino uno,rf ransmitter 433 Mhz ASK and rf reciever  433 mhz ASK.
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A good library for the rf communication with example it is here http://www.airspayce.com/mikem/arduino/index.html
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is encoders needed for this??
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is encoders needed for this??
For what?
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