rpi GPIO error

Getting a MCU 'rpi' error during config. Im upgrading from hybrid to iDex. Using Manta M8P and CB1. Adding [fan] pin: rpi:gpio79 to printer.cfg seems to fix error.... no errors on start up anyway my question is, is this the right way to do it?
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13 Replies
Belly
BellyOP2mo ago
MDFPereira
MDFPereira5w ago
are you connecting the fans on toolboard or main board?
Belly
BellyOP5w ago
both fans are 4 wire 24v connected to ebb42 boards.
MDFPereira
MDFPereira5w ago
blue connected to ebb, red/black to main board. correct? the OG [fan] pin: rpi:gpio4 is just a sacrificial/virtual pin to be able to controll both parts fans. Maybe this is causing any conflict with the manta... It works on all the others
Belly
BellyOP5w ago
red black tapped into the 24v supply to the ebb
MDFPereira
MDFPereira5w ago
so, looks like you are doing it correctly. that works too
Belly
BellyOP5w ago
yeah i think its because the cb1 doesnt have that pin
MDFPereira
MDFPereira5w ago
probably...
Belly
BellyOP5w ago
so my addding my bit to the printer config is a legit fix?
MDFPereira
MDFPereira5w ago
for now, keep it with the included pin you set up in printer.cfg
Belly
BellyOP5w ago
ok. i can control both seperatly in the os
MDFPereira
MDFPereira5w ago
yes. that is just something to be able to control both fans independently

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