Kevin Neubauer recently created CircuitBrains and wants to meet up with other electronics hobbyists in Omaha (in the USA):

https://www.meetup.com/3H-Omaha/

Did you know there are Hardware Happy Hours in many cities?

https://www.meetup.com/Seattle-Hardware-Happy-Hour-3H/

https://www.meetup.com/3HBerlin/

https://www.meetup.com/Hardware-Happy-Hour-3H-Chicago/

https://www.meetup.com/hardwarehappyhoursf/

https://www.meetup.com/Hardware-Happy-Hour-3H-Phoenix/

Chris Gammell tries to keep a list of all the 3H meetups, so feel free to ask on Twitter.