I want to build one-to-one wireless system with arduino nano and NRF24l01 and RF24

Question

I want to build one-to-one wireless audio system using NRF24l01 and NRF24Audio library and I came across this example which looks right http://arduino.cc/en/Tutorial/InputPullupSerial but here they say something about connecting the operating buttons to analog pins on arduino and that doesn't feel right to me but as I'm not so experienced with arduino i wanted to ask someone who will maybe help me with this..

P.S: also you have to set a radio number--if I want to have one-to-one the numbers on the two arduinos will be set the same?!

Thanks,

Tomas

Robert Peter Oakes · Answer

Analog pins work perfectly well as Digital pins, just initialize them as you would a digital pin and away you go. The chip supports multiple uses for most of its pins. for instance A4 and A5 also double up as the I2C (Digital) serial bus interface. Digital pins 10,11,12,13 also function as the SPI interface, many other pins can be PWM outputs.

Hope this helps

I want to build one-to-one wireless system with arduino nano and NRF24l01 and RF24

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