ATMEGA 3D-printer mainboard

Description

Open source ATMega-based board for 3D printers, soft material CNC routers, engravers, etc.
Universal, high quality and easy to use. Use the mainboard with the DRV8825 stepper driver board VM8400DB (not incl.).

Features

• outputs:
  • X, Y, Z, E1 and E2 stepper motors
  • E1 and E2 heater
  • heated bed
  • 2 x unregulated DC output
  • 2 x fan
• inputs:
  • X, Y and Z end stops
  • E1, E2 and heated bed sensor
  • power supply screw connector
  • power supply 2.1/5.5 mm DC jack
  • reset button
• I/O for:
  • LCD display
  • rotary encoder with pushbutton
  • SD-card holder
  • custom external circuitry
  • in-circuit programming
• also provided:
  • status LEDs
  • on-board RESET button
  • male board-to-wire connectors
  • space for optional IDC male header connectors

Specifications

• power supply: 12 – 15 VDC