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rusefi.com • Uaefi EGT max31855 SPI3
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Uaefi EGT max31855 SPI3

Posted: Thu Aug 22, 2024 1:03 pm
by Larspars
Hi all petrol heads

I'm trying to get EGT to work on Uaefi, but I cannot get a reading form the sensor. Anyone able to help? I have the hardware on board for it to work. See picture. Image

The schematic states SPI3 with CS pin PA15 Image

Tuner studio settings Image

Cheers

Re: Uaefi EGT max31855 SPI3

Posted: Thu Aug 22, 2024 3:30 pm
by Larspars
I have made some progress. Added some code and now it is working.

Image

Image

Image

Re: Uaefi EGT max31855 SPI3

Posted: Thu Aug 22, 2024 3:55 pm
by AndreyB

Re: Uaefi EGT max31855 SPI3

Posted: Wed Dec 04, 2024 8:33 am
by chili023
Hello,
How did you activate SPI3?
We have a microrusEFI and want to use 3x MAX31855.
I cannot set the pins in Tuner Studio for SPI3 nor enable SPI3.
image.png
If I enable SPI4 the message says it is not supported on the RusEFI.

I soldered test leads to PC10 PC12 and PB9 on J4. How can I activate SPI and connect the MAX31855?
rusEFI soldered.jpeg