Reprap Ramps1.4 RRD Fan Extender

Description:
- If you build or upgrade your printer and a dual (2 machine) including heated bed all output ports (D8, D9, D10) will be used. In this case, there is no option to connect the firmware to control the fan ramp directly.
- However in the sprint/Marlin firmware there is an option already (Marlin: board = 34) that will output the fan ramp D4. But the program requires a \"buffer/driver\" to work.
- Features Max 20V 2 (PWM Control) channel (D6/D11) Maximum 0.5A per channel (enough for a real large fan)
- Flexible output voltage (you can connect RRD\'s FAN extension to support your desired output voltage of 12V, 5V)
- Easy to install (plug and play)
- Support Marlin firmware (choose \"# define motherboard easy to adaptapt other firmware (such as sprint: just change \"#definition FAN_PIN6 in\" pins.h\")

Specification:
- Material: 4-layer PCB board
- Size: 20*10*15mm/0.79*0.39*0.59\'\'
- Scope: 3D printer

Package Includes:
1Pcs Ramps1.4 RRD Fan Extender