Pls don't create a #youtube channel just to get an audience. Do it on your blog.
Video is an horrible media for tech.
If you want to see how many people follows you or "engage" w/ them, just snoop on your webserver, provide a comment section, make it sticky on the right or left of your website and painless if it matters. I'm astonished by some #foss bloggers who get suddenly crazy when they see their subscriber count.
You are allowed to use twitter and reddit to spread your "creation" ^_-