On Wed, May 17, 2023 at 10:57:23AM +0530, Deepak Goel wrote: > Now my second question is, how do I develop a small kernel from scratch by > myself. Very simple one initially for Arduino Uno. Is it possible? Yes, it is possible, but that's outside of this mailing list's topic. There are many great answers for how to do this online, good luck! greg k-h