mstdn.starnix.network is one of the many independent Mastodon servers you can use to participate in the fediverse.
Starnix is a Fediverse/ActivityPub Focused platform. Topics are mainly Technology and computer related but are not required to fall into those categories.
Yeah it's just some motors and servos, looks like FNAF type shit. I don't get why Japan likes humanoid robots, unless they start making mobile suit Gundam or the Terminator idgaf