French dev's viral metro-wait keychain idea copied by commercial LEDoMATIC product

onetwoval · x · 2026-11-06

A French developer built a connected keychain that displays real-time wait times for metro, RER, tram and bus lines, covered by TF1. TikTok screenshots show the original clip hit 110K likes, before a commercial account called LEDoMATIC shipped a near-identical screen device — with the original creator calling out the copy in the comments.

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