I'm very confused about powering my MKR1010 on a breadboard. It says use USB, but that is 5.5 V and it specifically says never go above 3.3 V, yet there is a 5 V pin. So WHAT size EXTERNAL power supply do I need and where to attach it? Some sites say anywhere from 3.3 to 7 and even 12 V????

I'm very confused about powering my MKR 1010 on a breadboard. It says use USB, but that is 5.5 V and it specifically says never go above 3.3 V, yet there is a 5 V pin. So what size external power supply do I need and where to attach it? Some sites say anywhere from 3.3 to 7 V and even 12 V????

Very confused about powering my MKR 1010 on a breadboard. it says use USB  , but that is 5.5 v and it specifically says never go above 3.3 v. yet there is a 5 volt pin. So WHAT size EXTERNAL power supply do I need and where to attach it? Some sites say anywhere from 3.3 to 7 and even 12v????

I'm very confused about powering my MKR1010 on a breadboard. It says use USB, but that is 5.5 V and it specifically says never go above 3.3 V, yet there is a 5 V pin. So WHAT size EXTERNAL power supply do I need and where to attach it? Some sites say anywhere from 3.3 to 7 and even 12 V????