I have the motivation to write and did write some short articles about things that I learned, but I feel that those are too trivial and mentioned elsewhere on t

I have the motivation to write and did write some short articles about things that I learned, but I feel that those are too trivial and mentioned elsewhere on the web and too shy to publish them. I feel that publishing a blog with trivial articles looks dumb. Is this normal? Is there a way to overcome this?