Générateur de fréquence (audible)

Submitted by admin on Fri, 08/15/2008 - 12:53

Circuits

À l'origine j'ai conçu cette carte pour généner 16 oscillations indépendantes. Mais elle peut aussi être programmée pour lire et/ou écrire 16 ports digitaux I/O. Elles ont l'avantages de s'imbriquer l'une dans l'autre pour un maximum de trois, donc 48 entré/sorties au total.J'ai utilisé 2 connecteurs à pression de dix positions (comprenant VCC et GND).

Les Uc communique par le port SPI. Elle peut facilement s'implémenter au Arduino par le port auxiliaire de programmation 6 pin ( parcontre un fil supplémentaire dois être branché pour chaque Uc additionnel ) J'ai utilisé un branchement SPI en parallèle pour une question de vitesse ( diminuer les glitchs au moment de réception des donnés).

3 de ces cartes branchées à un Arduino

http://piezoplay.wikispaces.com/

Attachment	Size
Module_spi_7_gs_final.brd	21.5 KB
Module_spi_7_gs_final.sch	72.93 KB

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