MainBoard

Main Control Board

THe Main control board is a BigTreeTech - BTT SKR Mini E3 V3.0
Note this isn't controlling the hotend

• https://github.com/bigtreetech/BIGTREETECH-SKR-mini-E3

Bus 001 Device 004: ID 1d50:614e OpenMoko, Inc. stm32g0b1xx

USB to CAN adapter

The main head is first controlled via a Big Treetech U2C V2.1 This appears to be a USB to Can Bus adapter

Bus 001 Device 005: ID 1d50:606f OpenMoko, Inc. Geschwister Schneider CAN adapter

• https://www.onetwo3d.co.uk/product/bigtreetech-u2c-v2-1-3-can-output
• https://github.com/bigtreetech/candleLight_fw/tree/stm32g0_support
• https://github.com/bigtreetech/U2C

We shouldn't need to update this directly as it just presents itself as a Can Adapter within the Rpi
This provides 2 data line out (CAN+ / CAN-) and 2 lines for the 24V Output as well