Nice, thank you for sharing.
Not very surprised about the use of running speed and cadence profile as there is no profile for voltage reporting (battery service can only report a percentage).
Looks awesome. Might be fun to put it outside before your front door on 31th October. Still have a Halloween project on my ever growing bucketlist xd
Blynk is awesome for controlling Halloween projects.
This is an old thread but Tibus, the problem I had was exactly yours with 26uA. I had to downgrade my Arduino software to 1.0.6 . Then I got normal numbers 3uA.