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En 2007 , au cours du mois de Ramadan j’avais porté secours à un promoteur publicitaire ayant posé une enseigne néon COCA-COLA ZERO, près de Twin center Casablanca. Comme a-t-il dit, à peine il a bronché un flasher pour animation de cette enseigne , au bout de 4 heures c’est éteint. Quelqu’un l’a guidé chez moi un jour vers minuit. Nous avons été d’accord de lui monter un flasher contre un chèque de garantie pour une durée d’un mois.
Si mon produit aurais tenu j’encaisserais mes droits sinon je prendrais moi seul ces risques. Évidemment, j’avais monté un flasher neuf canaux pour piloter neuf transformateurs 220/10000 et 8500 vdc. L’état de puissance de mon article est basé sur des triacs BTB 41 400 B avec des selfs ( bobines) branchées en séries avec les charges pour amortir le choc à chaque excitations de triacs.Voici une vidéo à titre d’exemple:
Une fois mon nouveau client avait branché mon article et satisfait, il est venu chez moi à Hay Mohammedi après Salât Attaraouih pour m’amener dans sa voiture sur les lieux prendre une boisson dans une terrasse de café dominant la façade ou à été posée l’enseigne COCA-COLA ZERO.
Le clignotement est programmé en un seul jeu de remplissement de la gauche vers la droite.
COCA-COLA : caractère par caractère.
ZERO s’affiche en une seule fois.
Un exemple de mes circuits imprimés pour montages à deux x EPROMs .
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