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1. Introduction

The SB CAN Tool Board is a highly integrated printhead control board. Based on STM32F072, running Klipper firmware. Onboard TMC2209 stepper motor driver, AXL345 acceleration sensor, and other necessary interfaces. And comes with a 2.5m 4-core cable for easy out-of-the-box use.

1.1 Feature

• Based on STM32F072

• Onboard 1M CAN transceiver

• Onboard TMC2209

• 2x 0.5A MAX PWM interface for controllable fan (default VIN power supply, 5V optional)

• 1x signal input interface (VIN power supply, with level conversion)

• 2x signal input and output interface (5V power supply, with pull-up resistor)

• 1X 5V single wire RGB interface (1A MAX)

• 1x 4A MAX PWM output for heating rod

• 1x ADC interface for heating rod temperature acquisition

• MX3.0 2X2 interface for power and CAN signal access

• 1x Micro USB for firmware uploading

• Comes with 2.5m 4-core cable, 2x16AWG 2x24AWG

• Comes with terminal housing and wire crimping tabs