Thingiverse
mbed 3D printer PCB
door bohne
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This PCB connects an mbed microcontroller board [1] to a Sparkfun Quadstepper Motor Driver Board [2].
I use it for my RepRap Prusa Mendel 3D printer but you can use it for any CNC machine.
The firmware [3] for the mbed board is based on the Tonokip firmware and is compatible to ReplicatorG using the fived driver.
There are jumpers for a 100k thermistor, a hot-end (via 3.3V mosfet) and a thumb-joystick.
Update: new version (mbedquadstepperminimalNOatmega8u2.brd) has 2 mosfets and 2 thermistors and 3 min-endstops pins... but no support for atmega8u2 or thumb joystick anymore...
[1] http://www.mbed.org
[2] http://www.sparkfun.com/products/10507
[3] https://github.com/renebohne/RepRap-Firmware-for-mbed-microcontroller
I use it for my RepRap Prusa Mendel 3D printer but you can use it for any CNC machine.
The firmware [3] for the mbed board is based on the Tonokip firmware and is compatible to ReplicatorG using the fived driver.
There are jumpers for a 100k thermistor, a hot-end (via 3.3V mosfet) and a thumb-joystick.
Update: new version (mbedquadstepperminimalNOatmega8u2.brd) has 2 mosfets and 2 thermistors and 3 min-endstops pins... but no support for atmega8u2 or thumb joystick anymore...
[1] http://www.mbed.org
[2] http://www.sparkfun.com/products/10507
[3] https://github.com/renebohne/RepRap-Firmware-for-mbed-microcontroller
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