Oleg Oleg

RUSSIAN FEDERATION, THE • + Follow

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Radiolub2000

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Description

3D printer board Octoprint Marlin

Is a 3D printer controller that aims to provide a full stack user experience around Octoprint / Marlin using a custom designed board that integrates a Raspberry Pi 3 or Zero W.

It will also provide a solid, powerfull hardware by utilizing quality components,

a STM32 32bit MCU and powerfull TMC5160 or TMC2160 driver (SD / SPI mode).

Features

32bit STM32H743VI 400Mhz / 1024KiB RAM / 2MiB Flash MCU / 4 KiB EEPROM

Integrated Raspberry Pi 3 / Zero W HAT connector as the main user interface

Integrated DC/DC switching module for 5V / 3.3V power supply

5x TMC5160 or TMC2160 stepper driver with 8x external Power MOSFET each

3x high power MOSFET for heating (2x heater, 1x heatbed, 24V)

4x low power MOSFET for fans (5V or 24V)

40 pin external connector for STM32 and Pi GPIO pins

GPIO

PWM

UART

SPI

I2C

3.3V / 5V / GND for external power consumption

Micro SD Card for storing GCODE files (directa MCU access)

Designed for a 24V power supply

Automotive fuses

Quality connectors

Octoprint plugin for flashing the firmware of the board (STM32)

Stepper driver

You can use both TMC5160 or TMC2160 as the stepper driver, since they both are functionally / pin equal when used in SD / SPI-Mode.

It doesn't mater choosing one over the other, other than price and availability.

Fine tuning of the MOSFET driver may be necessary.

Code

https://drive.google.com/drive/folders/1C_gA903PCcz8MJzjA1S845mn0pqgn_6L?usp=sharing

Schematic and Layout

https://drive.google.com/file/d/17Nk-2eAF10D9cC5r98iv2WkyBIDbLtRW/view?usp=sharing

Jul 14,2020

3,263 views

3D printer board Octoprint Marlin

Is a 3D printer controller that aims to provide a full stack user experience around Octoprint / Marlin using a custom designed board

3263

12

1

10.00 (2)

Published: Jul 14,2020

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Topic

DIY Electronics

Marlin Octoprint board printer 3D

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design
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