RepRap Prusa Mendel 3D Printer Diy Kit , Mendel Teensylu v0.8 Hi3D driver board
Description:
This is a project that is based on Sanguinololu. The ATmega644P has been replaced with an Atmel AT90USB1286 MCU. This Microcontroller has on-chip USB, removing the need for the FTDI USB UART. LUFA CDC bootloader preinstalled on the AT90USB1286 allows you to upload the firmware through USB cable directly. All of the through hole resistors and capacitors have been replaced with 0805 SMT components. Like the Sanguinololu the Teensylu has expansion headers supporting I2C, SPI, UART, and ADC pins. All extra I/O ports of the AT90USB have been broken out to headers for prototyping.
Features:
Small design - board is 100mm x 60mm
Teensylu clone, Atmel's AT90USB1286
LUFA CDC bootloader preinstalled on the AT90USB1286 allows you to upload the firmware through USB cable.
Up to 4 A4988/4983 stepstick or Pololu stepper driver boards on-board (X,Y,Z,Extruder)
Supports multiple power configurations (Carried from Sanguinololu)
Logic & Motors supplied by ATX power supply (needs molex harddrive connector, and optional 4pin atx connector for additional 12v)
Motors supplied by 5mm screw terminal 7-35V
Logic supplied by USB bus
Logic supplied by optional on-board voltage regulator (molex harddrive connector cannot be installed at the same time)
on-board USB connectivity
2 thermistor connectors with circuitry
2 N-MOSFETs for extruder/bed heaters
1 N-MOSFET for low power fan or motor
Selectable 12v/5v endstop voltage
4 endstops including 4th stop called E-Stop to be used as an emergency stop, or extruder stop (to be added in firmware).
14 Extra pins available for expansion and development - 6 analog and 8 digital (Fully compatabile with Sanguinololu), with the following capabilities
UART1 (RX and TX)
I2C (SDA and SCL)
SPI (MOSI, MISO, SCK)
PWM pin (1)
Analog I/O (6)
Additional 14 pin header with 11 I/O for prototyping
SMT Components sized at 0805 for easier soldering.
Compatible Firmwares
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RepRap Prusa Mendel 3D Printer Diy Kit , Mendel Teensylu v0.8 Hi3D driver board Images
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