@nikgru extensive teardown of the lamp (German, but you know how to translate) : https://m.heise.de/make/artikel/Ikea-Tradfri-Das-steckt-im-Smart-Home-aus-dem-Moebelhaus-3597295.html?wt_ref=http%3A%2F%2Fhackaday.com%2Fblog%2F&wt_t=1486396685063