Electronics
The electronic components of your Witbox printer have been carefully selected to
ensure it is capable of printing independently, without the need to be connected to a
computer. Essentially, they comprise:
• RAMPS 1.4 board with mosfet heat sink: the RAMPS 1.4 is a fully independent
board designed by the RepRap community. You can nd all the diagrams and
blueprints related to the board at the link below:
www.reprap.org/wiki/RAMPS_1.4
• Freaudino Mega 2560 v2.0 (design derived from the Arduino Mega 2560).
• 4 x A4988 StepStick drivers featuring four layers for improved heat dissipation
and to help prevent overheating.
• LCD screen and SDHC card reader.
Board components
Figure 5.8 Key parts of the controller board
Mosfet
LCD panel
controller
Extruder driver
Power supply unit
USB port
Power jack
Reset
Y-axis driver
Z-axis driver
X-axis driver
Fuses
LEDs
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