3d Printboard Reprap Printerboard Printer Motherboard Driver Board Control Board - frugalprice
Printrboard is a kind of derivative, the first AT90USB1286 development board based on Sanguinololu The Teensylu. of the electronic set Printrboard to eliminate the production and function of RepRap electronic old faults The improved Printrboard generation set level (GEN6) by adding heatbed and SD card support To return to 1/16, Allegro micro stepping drive, and strengthen the connectivity and reliability, reduce costs, eliminate In addition to FTDI UART chips. There are Printrboard extension support 12C, SPI, UART and ADC pins . AT90USB all the extra I/O port has been detained broken head for prototyping and expansion. Aite Mei Er MCU AT90USB1286 USB, FTDI UART takes out (USB serial) IC. Slice The USB firmware significantly faster clustering powder upload time and communication. The AT90USB connection of arbitrary baud rate No matter what firmware configuration, serial communication error / rest operation is almost free. ATMEL microcontroller (at90usb1286 or 20MHz support at90usb1287) - native USB interface. No serial USB FTD chip! -128KB flash Four Allegro a4982 integrated stepper drive (no pololus required) The thermistor is connected: 2 Extruder and heatbed n-MOSFET control 2 Low power MOSFET or motor fan 1 On-board SD card slot Four ENDSTOP "5V connector. Including X, Y, Z, and ENDSTOP fourth is called disposable will be used as an emergency stop, stop (or extruder add firmware). Support a variety of power structures (from sanguinololu) & - logic; power supply by ATX motor or notebook computer (12-20v Minimum 120W) - logic provides USB bus (if only material side, enabled) The logic board voltage regulator The vehicle USB connection The right angle connecting edge connector 14 additional pins for expansion and development, has the following functions -UART1 (RX and TX) -12C (SDA and SCL) -SPI (Moshe, a taste, SCK) The -PWM pin (1) One one analog I/0 (6) JTAG (using ADC pin) An additional 14 needle and the remaining I/O forming
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