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 (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