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  • RAMPS 1.4 RepRap Mega Pololu A4988 extend Shield
    • i i
    • images/l/Geeetech_2ramps1.4_1.jpg images/l/Geeetech_2ramps1.4_1.jpg
    • images/l/Geeetech_2ramps1.4_2.jpg images/l/Geeetech_2ramps1.4_2.jpg
    • images/l/Geeetech_2ramps1.4_3.jpg images/l/Geeetech_2ramps1.4_3.jpg
    • images/l/Geeetech_2ramps1.4_4.jpg images/l/Geeetech_2ramps1.4_4.jpg
RAMPS 1.4 RepRap Mega Pololu A4988 extend Shield
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SKU:700-001-0061

Shipping Weight:135g

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$8.60
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Ramps is short for reprap Arduino mega pololu shield, it is mainly designed for the purpose of using pololu stepper driven board (similar to 4988 driven board). Ramps can only work when connected to its mother board Mega 2560 and 4988/DRV8825. Owning to its stability in operation and great compatibility with most 3Dprinter (all reprap-model such as pursa i2 and i3). The combination of Ramps1.4+MEGA2560+A4988/DRV8825 is becoming a mainstream of DIY 3D printer control board.

Features:

1. Standard interfaces (as that of extruder)

2. Reserved GCI like I2C and RS232

3. MOSFET 3 MOSFET are applied to the heater/ fan and thermistor circuit.

4. Another 5A added to protect the component parts.

5. An 11A fuse is added to the hotbed

6. Support 5 stepper drive board

7. The adoption of Pin Header as pololu makes it more convenient to repair or change.

8. I2C and SPI are reserved for expanding

9. All the MOSFET can be controlled by PWM

10. Use the interface of servo motor to adjust the level of printing platform automatically.

11. Adding a SD module for SD ramps module.

12. LED can indicate the status of the heater (the open and close of MOS).

13. 2 stepper motor for Z axis in parallel.

14. Expandable to control other accessories.

 

For more information, please kindly visit wiki page .

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  • Uri RavOr | 07/14/2015

    Hi i have the RAMPS 1.4 RepRap Mega Pololu with 4 a4988 drivers. Baudrate is 250000 Marlin loaded to the Arduino with no problem Repetier Host easily connected to the printer 12v ATX power supply and motors are connected as described on your Wiki page. i've also connected 3 fans to D8, D9 and D10 as a test. Nothing is working. I have installed the RAMPSTestCode.pde ( link below) that should run all the motors in both directions, Board lights should blink and D8, D9 and D10 should work too. Everything work but the motors are not moving. All the led on the board are blinking and the fans are running. I tried other a4988 driver that I know for sure to work, tried with and without microstepping with no results Can you help? Regard Uri http://reprap.org/wiki/File:RAMPSTestCode.pde

    • Sherry li | 07/15/2015

      you can post these problem in the geeetech forumm.the tech-support will help you solve the problem.


  • Alex Chun | 03/16/2014

    Hi, I purchased one of these from you before. Unfortunately the caps were not rated for 24V. You only used 16V caps. Will you have a 36V cap version anytime in the future? I'd like to purchase one for a 24V build

    • Chan Channa | 03/17/2014 | GET Staff

      Hi,thanks. We'll consider about your suggestion. If we produce 36V cap version RAMPS, we'll launch it on our website the first time. Please look at us.


  • marcelo castillo | 03/07/2014

    Hi, I have this board working with a Iduino Mega... It can works without USB so it has 1N4004 diode soldered... is it safe to use 14V on it, because it can improve hotbed temp? Regards!

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