Extension Development Support

I finally got my uconsole. I want to build a Lora and cc1101 and rfid extension; I found out that it looks like I have access to some SPI pins and i2c on the ext interface.

Can someone confirm that they are actually available? The image is the ext connector mapped to the pin names of the cm4

I need SPI in 3v3, two chip selects, two interrupts and two „free“ gpios for use as reset signals, as well as the i2c interface.

Can I use those pins on the extension or are there some problems with that?

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