1、Motor Driver: With this step motor driver TMC2209, you will find it easier to have accurate control over your 3D printer. 2、Easy Working: Supports uart mode by putting on jumper caps instead of soldering on mks gen_1V2.0, skr1.3/1.4, mks sgen_1. 3、Reliable Use: Enables sensorless feedback function, the motor drive module enables high sensitivity for efficient working. 4、Lower Noises: There is no noise during operation, and the easy but flexible connection makes the installation simpler. 5、Fast Cooling: A heat sink is also included in the set, which ensures quick cooling to maintain stable and reliable working. <p class="wang-edit-text"><p class="wang-edit-text">Item Type: Step Motor DriverMaterial: AluminiumDefault Current: 1.25AMaximum Current: 2.5ALogic Voltage: 3.3V or 5V. Input Voltage: 5.5V-28V.&nbsp;Microstep: Up to 1/256. Mode: Dir and step, uart. Microstep Setting:&nbsp;<table border="0" cellpadding="0" cellspacing="0" width="183" height="108"> <tbody><tr height="18"> <td colspan="3" class="et2" height="18" width="183" x:str="">Microstep cadre</td> </tr> <tr height="18"> <td class="et2" height="18" width="61" x:str="">MO</td> <td class="et2" width="61" x:str="">M1</td> <td class="et2" width="61" x:str="">STEP</td> </tr> <tr height="18"> <td class="et2" height="18" width="61" x:str="">GND</td> <td class="et2" width="61" x:str="">GND</td> <td class="et2" width="61" x:num="8">8</td> </tr> <tr height="18"> <td class="et2" height="18" width="61" x:str="">vCC_10</td> <td class="et2" width="61" x:str="">GND</td> <td class="et2" width="61" x:num="32">32</td> </tr> <tr height="18"> <td class="et2" height="18" width="61" x:str="">GND</td> <td class="et2" width="61" x:str="">vCC_10</td> <td class="et2" width="61" x:num="64">64</td> </tr> <tr height="18"> <td class="et2" height="18" width="61" x:str="">vCC_10</td> <td class="et2" width="61" x:str="">vCC_10</td> <td class="et2" width="61" x:num="16">16</td> </tr></tbody></table><style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x Step Motor Driver1 x Heat Sink