At http://twitterfeed.com [3] you can create an account.
Fill in your twitter account.
Submit a feed to your blog.
And posts are posted to your twitter account periodicaly using your blogs feed.
Links
[1] https://dominiquedecooman.com/blog-topics/feed
[2] https://dominiquedecooman.com/blog-topics/twitter
[3] http://twitterfeed.com