Introduction

ERB is a 3D printer multi-color control board based on RP2040, mainly used in Enraged Rabbit project. It can also be used in other two-axis stepper motor control situations.

Update:

V1:

• MCU RP2040
• 28V Input Max，5V@3A
• USB interface
• 2 x TMC2209 Onboard
• 5V RGB，Servo supported
• Extra pins are brought out to pin headers.

V2:

• 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 Katapult bootloader or status indication.
• Preset thermistor temperature measurement circuit
• 12 x IO for gate sensors/switch
• Onboard integrated heat sink