Alligator Board
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Not Open Source
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Release status: working
| Description | Alligator Board
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| Based-on | [[]]
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The Alligator Board is designed to be a complete and reliable solution as RepRap 3D printer electronic control board. The base module features everything you need to build a standard 3D printer, and with the expansion piggy this is the most complete solution for complex 3D printer.
It is based on the 32 bit Cortex M3 ATSAM3X8EA-AU microcontroller (Arduino-Due-Compatible). This represents a big step towards greater computing power, compared to the existing solution based on 8 bit mcu. This product is well suited for any kind of 3D printer, and is the ideal solution for Delta models, requiring more complex computation.
Main Features
Main Features:
- CPU Cortex M3 Atmel ATSAM3X8EA-AU, Arduino-Due-Compatible
- High Current connector for power input, bed and hot-end heaters
- Filtered Power Supply Input 12-24Vdc
- 4 Stepper Motor driver based on Texas Instrument DRV8825, running at 1/16 or 1/32 microcstep, up to 2.5A firmware configurable current and step size - no trimmer and no dip-switch
- 6 End-Stop input compatible with both mechanical and optical/magnetic solution
- High current Hot-End Heater driver output (High-Current connector)
- High current Bed Heater driver output (High-Current connector)
- 2 Precision analog input for temperature measurement with RTD (compatible with external adapter for thermocouple)
- 2 External FAN output with PWM speed control
- External 32Mbit Flash memory, in addition to the 64Kbit EEPROM
- USB to Virtual COM port interface (micro USB connector)
- Native USB port (micro USB connector)
- microSD Slot
- 10/100 Ethernet Port with unique MAC address pre-programmed chip
- Expansion connector with 3 UART or 6 GPIO with firmware selectable +3V3/+5V logic levels
- 26pin Raspberry-PI Compatible expansion connector
- 3 Generic PWM open drain output for general porpouse application (ex. RGB LED)
- Expansion connectors for user customizable piggy module
Wiring Scheme
Wiring Scheme Example:
Links
- 3D Artists Home Page
- Alligator Board Repository on GitHub
- Alligator Board Repetier Firmware on GitHub
- 3D Artists Facebook Page
