conect the opc to other pins

[metallicano]

hi , i need to coenct two opc to my raspberry, i saw other pins for the spi comunications

gpio 21 = sclk
gpio19 = miso
gpio20 = mosi
gpio 7=ce1

when i try to conect mi opc to that pins and run the code y have de firmware version problem,so how i can use that gpio pins ?

[dhhagan]

Which version of the Raspberry Pi are you using? Or is it another device?

[metallicano]

pi zero w , i find this in internet: https://raspberrypi.stackexchange.com/questions/83610/gpio-pinout-orientation-raspberypi-zero-w El jue., 11 oct. 2018 a las 9:33, David H Hagan (<notifications@github.com>) escribió:

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