diff --git a/hass/README.md b/hass/README.md
index bbf571e..123d85c 100644
--- a/hass/README.md
+++ b/hass/README.md
@@ -134,9 +134,10 @@ kevin_android:
 
 Use `vimagick/hass:latest`, and disable bluetooth device tracker.
 
+- https://joost.oostdijk.net/articles/playing_with_ble_on_an_onion_omega/
 - https://home-assistant.io/blog/2016/04/30/ibeacons-part-1-making-presence-detection-work-better/
 - https://home-assistant.io/blog/2016/05/26/ibeacons-how-to-track-things-that-cant-track-themselves-part-ii/
-- http://owntracks.org/
+- http://owntracks.org/booklet/tech/json/
 - https://play.google.com/store/apps/details?id=de.flurp.beaconscanner.app&hl=en
 
 [1]: https://home-assistant.io/
diff --git a/hass/arm/ibeacon.service b/hass/arm/ibeacon.service
index dc3e75b..8386af8 100644
--- a/hass/arm/ibeacon.service
+++ b/hass/arm/ibeacon.service
@@ -10,10 +10,10 @@ Type=oneshot
 Environment="UUID=88 88 88 88 88 88 88 88 88 88 88 88 88 88 88 88"
 Environment="MAJOR=00 00"
 Environment="MINOR=00 00"
-Environment="POWER=C8 00"
+Environment="POWER=C8"
 ExecStart=/bin/hciconfig hci0 up
 ExecStart=/bin/hciconfig hci0 noscan
-ExecStart=/usr/bin/hcitool -i hci0 cmd 0x08 0x0008 1E 02 01 1A 1A FF 4C 00 02 15 $UUID $MAJOR $MINOR $POWER
+ExecStart=/usr/bin/hcitool -i hci0 cmd 0x08 0x0008 1E 02 01 1A 1A FF 4C 00 02 15 $UUID $MAJOR $MINOR $POWER 00
 ExecStart=/usr/bin/hcitool -i hci0 cmd 0x08 0x0006 A0 00 A0 00 03 00 00 00 00 00 00 00 00 07 00
 ExecStart=/usr/bin/hcitool -i hci0 cmd 0x08 0x000a 01
 # See: http://stackoverflow.com/questions/21124993/