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RepRap Motherboard v1.1

by MakerBot, published

RepRap Motherboard v1.1 by MakerBot Mar 25, 2009
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6322Views 1508Downloads

Summary

This board is the brains behind the Generation 3 Electronics. The heart is a Sanguino which is an Arduino-compatible board that is powered by an ATMEGA644P chip. It has connectors to hook up all the various peripherals that you'll need to drive a RepRap machine. It has headers for three stepper drivers, as well as 4 RJ45 connectors for Extruder Controller Boards. Not only that, but it has an SD card and a connector to hook it up to an ATX power supply.

Some highlights:

* Onboard atmega644p - 64K flash space, 4k ram, 32 I/O pins, Arduino compatible.
* 3 x Stepper driver connectors with min/max inputs.
* Built-in SD card socket for printing from file and buffering large print jobs.
* RS485 connection for noise-free communications with extruder / toolhead controllers.
* ATX power connector for power. It can also turn the power supply on and off.
* Headers to allow existing Sanguinos to plug straight in.
* I2C headers for simple hookup of external peripherals.
* On/Off switch for instant-kill and simple control of the entire system.

Instructions

More information on the RepRap wiki: http://make.rrrf.org/rmb-1.1

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License

GNU - GPL
RepRap Motherboard v1.1 by MakerBot is licensed under the GNU - GPL license.

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Very nice! Can this only be used for RepRap or also for driving 'common' CNC machines?

you could easily use it to control a CNC machine. made for reprap, generic enough to be useful for other projects!

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