You can't add new topics, so select existing topics for your post Why?

[Pavel A.]

Because some new visitors feel the urge to add new tags before looking around and getting to know the place ;)

[Tesla DeLorean]

And so many can't spell or are generally dyslexic

So lots of SMT32, ST32, STM23

Yes,the user interface is awful, should just be a dropbox of options, not suggestive that you can randomly add them.