[ozzmotik]

techmoan is great for retrotech. also in the same vein, but more focused on retro compute is 8-Bit Guy, and then for just retrotech of all sorts, Technology Connections has to be one of the most well-researched and entertainingly presented channels on YouTube.

[reaperducer]

Techmoan is great for the visuals, but his information is sometimes wildly inaccurate. Still, worth checking out every few months.

[sixothree]

Since we're on the subject, Adrian's Digital Basement is my favorite.

[DaiPlusPlus]

Adding TechTangents too: https://youtube.com/c/AkBKukU

And CuriousMarc (he’s a legend): https://youtube.com/c/CuriousMarc

And Cathode Ray Dude: https://youtube.com/c/CathodeRayDude