3D Printer -PCB Printer Motherboard Highlights Generic Brand PCB Printer Motherboard Description: The board uses a coretx-M4 32-bit core control unit for robust performance With 3.5 inch color IPS LCD touch screen, bringing simple and smooth operation The motherboard uses an open interface, free to match the motor drive module to meet the needs of different customers The motherboard optimizes the connection limit switches, as well as the complete line protection design. The default motherboard is offline printing (i.e. TF card printing or U disk printing) The main board comes with a print pause, print save, start function Specification: Mainboard Model: Lerge-X Microprocessor: STM32F407 Input Voltage: 8-35V Power Interface: ATX High Current Type Interface Printhead temperature sensor sensor: 100K NTC thermal resistance Color touch screen: 3.5 inch IPS LCS Support file format: G-code Firmware update: Support TF card, upgrade U disk update Printing method: Offline printing Package includes: 1Pcs LERDGE-X Motherboard 1Pcs 3.5 inch display 4Pcs TMC2130 driver 1Pcs 30cm FCC display cable 1Pcs 30cm power cable 1Pcs resistor pen Nylon screw nut 1Pack 1 Pcs screws