Arduino Mega Pololu Shield
Release status: unknown
| Description | A circuit board that fits on the Arduino MEGA and holds Pololu A4983 stepper driver carrier and the rest of RepRap's electronics.
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| Categories | Electronics
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Contents
Summary
Everything below this point is working notes. This board is a work in progresss. It is currently working as shown built on an Arduino manufactured Arduino MEGA Shield. We plan on printing it on Mendel with the marker or plastic printed on copper etch resists methods suggested by Vik. It has been designed with an eye towards being made on a RepRap. The traces are wide, with wide gaps between them where possible. We tried to use minimal vias and traces on the side needed for easy soldering to connectors. This board is mostly a copy from Adrian's Pololu_Electronics. It is designed to fit the entire electronics needed for a RepRap in one small package for low cost. It has provisions for the cartesian robot and two extruders and a heated bed. It fits five Pololu A4983 stepper drivers, 4 mosfets for heater / fan outputs and 2 thermistor circuits.
It is designed to be printable on a Mendel :)
Description
To Do:
PRINT BOARD. The wiring for the back of the shield is quite tedious and error prone. Modifications to Arduino Mega may not be preferred for everybody.The voltage regulator on the Mega board does not like voltages higher than 12v, my power supply's voltage of 12.6v gets it pretty hot.
