Hi Maarten,
Trying to create a nice esp8266 node but keep getting "library lmic-v1.5 claims to run on [avr] architecture(s) and may be incompatible with your current board which runs on [esp8266] architecture(s)". Did put your lmic library in arduino folder but still. Must be something stupid i do;)
error on esp:
wdt reset
load 0x4010f000, len 1264, room 16
tail 0
chksum 0x42
csum 0x42
~ld
Starting
hal_init: ESP architecture
FAILURE
C:\Program Files\Arduino\libraries\lmic-v1.5\src\lmic\radio.cpp:657
Ewoud