Mini3dprintercontroller
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Release status: experimental
Description | the mini3dprintercontroller Electronics
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License | BY-NC-SA 3.0
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Author | |
Contributors | |
Based-on | |
Categories | |
CAD Models | GitHub
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External Link |
Contents
Introduction
The mini3dprintercontroller Board is part of Mini3dprintercontroller Electronics. This is the central part of mini3dprinter Electronics. A board with all the features required to run a printer in a very small board 50 X 50 mm and also including a header to plug in driver boards for stepper motors control and lcd and micro sd cardreader too. This version have 2 heater for a struder and bed, also power for fan, 3 limits and 2 for temperature sensors like termistors and serial port for the USB-TTL adapter or bluetooth module.
The mini3dprintercontroller electronics is a modular low-cost electronics solution for reprap and
other CNC devices.Using ATMEGA 644p though a ATMEGA1284 like Sanguinololu or Gen 7 is
easily dropped in. Its 3 axes and extruder motors are powered for external drives like
polulus compatible or many others like mini3dprinterdrives.
The board is designed to be flexible in the user's power sourse availity, allowing for an ATX power supply to power the board for 12v.
Features
- Small desing-board is 50mm x 50mm
- Atmel's Atmega 644p-Atmega 1284p drop-in compatible
- 5 headers for stepper drives.
- Heaters and fan supplied by 4 pin ATX power supply
- All through hole components
- 3 headers for limits
- 2 thermistors connectors with circuitry
- 2 N-MOSFETs for extruder/bed heathers, or whatever
- USB2TTL header is avaible for FTDI cable, or Serial bluetooth module
- Header for SPI, LCD and microSD memory module.
- Button RESET
- Arduino compatible
- Conector ON
Connectors
Drives motors connectors
Serial port connectors
SPI, LCD and microSD memory module connectors
LIM XYZ connectors
Pinout
INT8 (D 0) PB0 1|> Xmin Temp_Bed {|40 PA0 (AI 0 / D31) INT1 (D 1) PB1 2|> Ymin Temp_Ext {|39 PA1 (AI 1 / D30) INT2 (D 2) PB2 3|> Zmin Xstep >|38 PA2 (AI 2 / D29) PWM (D 3) PB3 4|< Heat_Bed Xdir >|37 PA3 (AI 3 / D28) PWM (D 4) PB4 5|< Heat_Ext Ystep >|36 PA4 (AI 4 / D27) MOSI (D 5) PB5 6| Ydir >|35 PA5 (AI 5 / D26) MIS0 (D 6) PB6 7| MotEn >|34 PA6 (AI 6 / D25) SCK (D 7) PB7 8| |33 PA7 (AI 7 / D24) RST 9| |32 AREF VCC 10| |31 GND GND 11| |30 AVCC XTAL2 12| Zstep >|29 PC7 (D 23) XTAL1 13| Zdir >|28 PC6 (D 22) RX0 (D 8) PD0 14| FAN >|27 PC5 (D 21) TDI TX0 (D 9) PD1 15| |26 PC4 (D 20) TDO RX1 (D 10) PD2 16| Estep >|25 PC3 (D 19) TMS TX1 (D 11) PD3 17| Edir >|24 PC2 (D 18) TCK PWM (D 12) PD4 18| |23 PC1 (D 17) SDA PWM (D 13) PD5 19| |22 PC0 (D 16) SCL PWM (D 14) PD6 20|> SDS PwrEn >|21 PD7 (D 15) PWM +------------------+