Makerbase MKS Gen_L V2.1 3D Printer Motherboard Control Board Support TMC2209 TMC2208 Uart Mode Gen L 3D Printer PartsFeatures1.Integrate 2560 and Ramps1.4 to one PCB,easier wiring and more stable.2.Use-quality 4-layer PCB.3.Use Marlin firmware,same configuration way as Ramps1.4,it can replace Ramps1.4 directly.4.Use special power chip,support 12V-24V.5.Support a variety of stepper drivers:4988,8825,TMC2208 and TMC2100.6.Available to work with LCD2004,LCD12864,MKS TFT24/28/32/35/70.7.Accept 24V input,reduce the heated bed current to 1/4 that solves the Mosfet heat problem efficiently.8.Available to connect external large stepper drivers.9.9Retain Servos,AUX-1 and AUX-2 interface of Ramps1.4,provide three 5V output and three 12V outputinterfaces.Particular attention:1.Ensure positive and negative connection is right before powering.2.No plugging and removing drivers and when powering,otherwise it will easily burn the drivers.3.No adjusting the driver current when the motors are running.