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Looking to use PCA9515AD between PCBs

Question asked by Elizabeth Amyouny on Jun 28, 2016

Looking to use PCA9515AD between PCBs. PCB 1 has the master, PCB 2 allows for on/off board connections. Do I need the pull up resistors R42 and R41 on PCB2 seeing R44 and R43 exit on PCB1?

 

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