Arduino Setting esp32-s2 When you failed upload to esp32 s2 maybe this setting can help you, the point is slow down your upload speed at 460800, and now upload not problem anymore. Share this:Click to print (Opens in new window)Click to email a link to a friend (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Like this:Like Loading...