Raspberry Pi with BTT Pico over UART and BTT Eddy coil over seral

General Discussion
1

Basic Information:

Printer Model: Anycubic Vyper
MCU / Printerboard: BTT Pico
Host / SBC: RaspberryPi 3 type B
klippy.log

klippy.log (532.6 KB)

Describe your issue:

I replaced the board of my Anycubic Vyper with a BTT Pico. My configuration is working fine so far. I then purchased a BTT Eddy Coil (NOT the USB version).

The BTT Pico is connected to my Raspberry Pi via UART, and the Pico board doesn’t have I2C (SDA/SCL) support. I want to connect the BTT Eddy Coil using the Raspberry Pi’s I2C port.

How can I set up the printer.cfg to ensure that the communication to the BTT Pico is via UART, while using the Pi’s I2C for the Eddy Coil?

My I2C addres (on the Pi) of the BTT Eddy Coil is 0x2A

How should I configure this?

2

Never tried, but the information in Measuring Resonances - Klipper documentation should be applicable to this use case as well.

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