Which WifiManager?

[callimero]

I was not sure which WifiManager to use, the search gave multiple results an the version number did differ (there seems to be a 2.0.x version now).

maybe add the "tzapu" tag to ease?

[dustin]

It says 0.15. I used 0.16 and it was fine. You could always try something newer and report whether it works.