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From: Olivier B. <olivier.2a@free.fr.invalid>
Newsgroups: fr.rec.bricolage
Subject: Re: =?ISO-8859-15?Q?lentille_disperion_de_la_lumi=E8re?=
Date: Fri, 16 Dec 2022 12:42:29 +0100
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Aegidius a exposé le 16/12/2022 :
> Le 16/12/2022 à 09:24, Olivier B. a écrit :
>
>> un COB
>   ???

COB veut dire "Chip On Board", autrement dit un assemblage de leds 
montés en surface d'un circuit imprimé

https://www.ecolofrance.com/content/6-c-est-quoi-une-led-cob