Quote Originally Posted by JuanDH View Post
Regarding the isolation I thought that this module could be something "magical"
If you are referring to the module at Digikey, it's a 'switching' power supply. They are isolated and they have a transformer - there's no magic. Why can't you use an external 5V/1A (or more) SMPS, readily available for $5 or less? I almost always design for them.