RAMPS 1.4 Arduino Mega Shield RepRap
- Supply Voltage: 12V
- Standard interfaces
- Reserved GCI like I2C and RS232
- 3 MOSFETs are applied to the heater/ fan and thermistor circuit.
- Another 5A was added to protect the component parts.
- An 11A fuse is added to the hotbed.
- Support 5 stepper drive board