Ok, you have an xbee powered by 3.3 volts. What pins on Esplora do you have the TX and RX connected? Remember TX on one goes to RX of the other. You can use SoftwareSerial to use any two pins, again cross connect.
Ok, you have an xbee powered by 3.3 volts. What pins on Esplora do you have the TX and RX connected? Remember TX on one goes to RX of the other. You can use SoftwareSerial to use any two pins, again cross connect.