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Activation des 16 relais #6
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J11 et J13 sont les pin 5V et GND que j'ai externalisé du header 10pin pour choisir entre une alimentation provenant de la carte controle ou via une alim externe sur les connecteurs en bas à droite du module. |
Note pour une upgrade. https://pijaeducation.com/arduino/relay/interfacing-of-relay-with-arduino-using-uln2003/ |
j'utilise 2x le module 8 relay
C'est du trigger low j'ai du donc jouer avec des transistors pour les activer.
https://www.utmel.com/components/bc337-npn-transistor-pinout-datasheet-and-equivalents?id=347
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