Overheating Protection, Overvoltage Protection, Stall Protection<br>Supports Analog Signal Input<br>Real-time Monitoring of Motor and Drive Temperatures<br>When plugging in , be sure to orient the connector correctly to avoid reversing the polarity and damaging .<br>When using high voltage ( 24V) or high current ( 1.2A), active cooling must be used to prevent from overheating.<br><br>Supports High Subdivision: 256 microsteps<br>Supports Voltage: 4.5-36V DC<br>Supports Maximum Current: IRMS=2.1A IFS=3A<br>Supports Sensorless Homing<br>Low on-resistance: Rdson (H+L) = 230m<br>Communication Modes: SPI or UART (SPI by default)<br>note: Due to different batches, the appearance, color and printed words of the product , which will not affect the use.<br>With heat sink<br>Material: PCB+Metal<br>colour: Black<br><br>Package Contents:<br>1 x TMC2240 Stepper Motor Driver<br>1 x heat sink<br><br>Only the above package content, other products are not included.<br>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.