Here's a Doraemon encyclopedia listing every gadget that appeared

Doraemon: Nobita and the Birth of Japan 2016 - Wikiwand

Doraemon Nobita S Diary On The Creation Of The World: Most Up-to-Date Encyclopedia, News

Doraemon bilingual edition and interior of gadget encyclopedia : r/MangaCollectors

Doraemon bilingual edition and interior of gadget encyclopedia : r/MangaCollectors

Doraemon

Doraemon - Wikipedia

Gadgets of Doraemon - Doraemon Türkiye

Doraemon (character) - Wikipedia

Gadgets of Doraemon - Doraemon Türkiye