Note: a successful communication can be realized only when the Baud rate of upper computer is identical with that of Firmware. This parameter is for the baud rate of serial port. The parameters that need setting are as below, for those not mentioned just leave them as default. Mega 2560 can’t be put in use directly without uploading firmware.ģ. Mega 2560 is the CPU of a 3d printer, manipulating the whole process of printing. Set the communication port (the COM port for mega) and the Baud rate. some frequent errors are: a wrong select of board type and serial port.Ģ. If the uploading is unsuccessful, read the error report on IDE, figure out the problem, and then try again. If not, click to upload.Ĥ.During the process of uploading, the 3 LEDs corresponding to TX, RX and L on mega board will blink, if the blink stops, the uploading is done.Īfter the uploading, you can go on with the next step. (Picture below)Ģ.Select the serial port: Tools > Serial Port, the serial port for mega is usually the last one.ģ.Click to check if there is any mistake. Then choose the type of board: Tools > Board > Arduino Mega 2560 or Mega ADK. You are advised to connect all the components before testing.Īs Ramps1.4 is just the shield board of Mega2560, the firmware must be burned into Mega2560.ġ.Before uploading, driver should be installed for windows. Like other electronics, the inverse connection of power supply can cause irreparable damage to the board (4988 included). 2 stepper motor for Z axis in parallel.Īrduino 1.0.1 for Mac Interface Interface LayoutĦ motors (one for X axis, one for Y axis, 2 for Z axis, 2 for extruderĦ interfaces for end stop(X/Y/Z min, X/Y/Z max)ģ interfaces for PWM (one for hotbed, one for fan and one for extruder)ĭevelopment Environment setting Interface Connecting and Setting LED can indicate the status of the heater (the open and close of MOS).ġ3. Adding a SD module for SD ramps module.ġ2. Use the interface of servo motor to adjust the level of printing platform automatically.ġ1. All the MOSFET can be controlled by PWMġ0. The adoption of Pin Header as pololu makes it more convenient to repair or change.Ĩ. Adding another 5A to protect the component parts.ħ. Standard interfaces (as that of extruder)ģ MOSFET 3 MOSFET are applied to the heater/ fan and thermistor circuit.Ĥ. The combination of Ramps1.4+MEGA2560+A4988/DRV8825 is becoming a mainstream of DIY 3D printer control board.ġ. Owning to its stability in operation and great compatibility with most 3Dprinter (all reprap-model such as pursa i2 and i3). Ramps can only work when connected to its mother board Mega 25/DRV8825. 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).
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