FYSETC SB CAN Tool Board Based on STM32F072 Support Klipper with TMC2209 AXL345 Acceleration Sensor for 3D Printer Parts 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. More info：https://wiki.fysetc.com/SB%20CAN%20ToolHead/ Features： - Based on STM32F072 - Onboard 1M CAN transceiver - Onboard TMC2209 - 1x 1A MAX PWM interface for controllable fan (default 5V power supply, VIN optional) - 1x 1A 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