Ciao una lampadina per bicicletta di piccole dimensioni e basso consumo: https://hackaday.com/2018/10/17/diy-arc-light-makes-an-unnecessarily-powerful-bicycle-headlight/ flowblade: editor video https://jliljebl.github.io/flowblade/ https://en.wikipedia.org/wiki/Flowblade -- Elena ``of Valhalla''