About the Products:ERB is a 3D printer multi-color control board based on RP2040, mainly used in Enraged project. It can also be used in other two-axis stepper motor control situations. V2.0 version:Add CANBUS interface Add 20*30 heat sinks Replace with a 4Pin connector, which can be quickly plugged in and out, for Power & USB/CAN. Add optional USB and CANBUS interfaces Add status indicator for bootloader or status indication. Preset thermistor temperature measurement circuit 12 x IO for gate sensors/switch Onboard integrated heat sink Information Link:https://github.com//-ERB/tree/main/V2.0 Colour:Photo Color Material:ABS Package Contents: 1 set of ERB multi-color motherboard Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.