[EEVBlog forum](https://www.eevblog.com/forum/) - Probably the largest and most active forum to discuss electronic engineering topics.
[/r/electronics](https://www.reddit.com/r/electronics/) and [/r/ECE](https://www.reddit.com/r/ECE/) are the two most active sub-reddits for EE topics.

[/r/askelectronics](https://www.reddit.com/r/AskElectronics/) - Sub-reddit dedicated to help on electronics topics.
[Electronics Stack Exchange](https://electronics.stackexchange.com/) - Question and answer site for electronics running on the popular Stack Overflow service.
[EEVBlog beginners forum](https://www.eevblog.com/forum/beginners/) - Good place for beginner questions, other sub-forums on EEVblog should be suitable for questions on more advanced topics.