A comparison of 21 $1 micro-controllers

This is an article that compares many MCUs, all in the $1 range. The blog was written before the recent surge of the semiconductor price so many of them may be more expensive now, but still worth reading.

This is a really informative blog, we don’t have the time and resources to test all these products on the market, this helps us to make a smarter choice for the next project. - a test reply.