User talk:199.22.57.2

July 2010
Welcome to Wikipedia. Although everyone is welcome to contribute to Wikipedia, at least one of your recent edits, such as the one you made to Buck–boost converter, did not appear to be constructive and has been reverted or removed. Please use the sandbox for any test edits you would like to make, and read the welcome page to learn more about contributing constructively to this encyclopedia. Thank you. Wildbear (talk) 23:17, 13 July 2010 (UTC)

April 2022
Hello, I'm Cannolis. I noticed that you added or changed content in an article, April 11, but you didn't provide a reliable source. It's been removed and archived in the page history for now, but if you'd like to include a citation and re-add it, please do so. You can have a look at referencing for beginners. If you think I made a mistake, you can leave me a message on my talk page. Thank you. Cannolis (talk) 19:35, 5 April 2022 (UTC)