@raune, it seems that the rssi_prox.ino file I pushed to the repo was the incorrect one! I just updated the repo with the correct one. This file has the correct setup of Serial1 for the XBee (instead of Serial). Give it a shot now (!!) and let me know. 
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@peekay: API mode sends out data in packages, you can have a look here: https://sites.google.com/site/xbeetutorial/xbee-introduction/api_mode
Iām using series 1
- away for the weekend, iāll give it a go on monday
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Done! ā¦all working and since I hooked up an LED the red breathing disappearedā¦
Thank you soo much for the help!
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