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Geeetech Reprap Ramps1.4 RRD Fan Extender For 3D Printer Reprap With 2 Channels

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Geeetech Reprap Ramps1.4 RRD Fan Extender For 3D Printer Reprap With 2 Channels

10.06 30.19

Banggood
Geeetech Reprap Ramps1.4 RRD Fan Extender For 3D Printer Reprap With 2 Channels
Geeetech Reprap Ramps1.4 RRD Fan Extender For 3D Printer Reprap With 2 Channels
10.06 30.19

Description:
If you build or upgrade your printer with/to DUALEXTRUSION (2 extruders) including a heated bed all the output ports (D8, D9, D10) will be used. In this case, there is no option to connect a firmware controlled FAN to RAMPS board directly. However, in Sprinter/Marlin firmware there is an option already (Marlin:BOARD=34) which redirects the FAN to RAMPS output D4. But this solution needs a "buffer/driver" in order to work.
The RRDFANEXTENDER is exactly what you need in this case. It is a plug and plays solution to mount the FAN for DUALEXTRUSION setups with RAMPS1.4. But instead of adding only one additional output port the RRDFANEXTENDER is equipped with 2 PWM controllable channels(D6/D11). The second channel can be used for another fan(e.g. to cool the stepper driver) or for adding light control (e.g. add dimmable LED light to your machine).
Specifications:
Support Max 20V
2 (PWM controllable) channels (D6/D11)
Easy to install, Plug and Play
Support per channel Max 0.5A, enough for a big fan
Flexible output voltage (you can connect the RRDFANEXTENDER to 12V,5V,… in order to support the output voltage you need)
Already supported by Marlin firmware (choose "#define MOTHERBOARD 34")
Easy to adapt to other firmware (e.g. Sprinter:just change "#define FAN_PIN 6" in "pins.h")
Features:
1. You need Marlin firmware v3 or newer. If you are using the older firmware, you must reflash your board.
2. Power up, two connecting fans will take turns to rotate.
3. Can be connected follow the description picture.
Click for more information
Package included:
1 x Reprap Ramps1.4 RRD Fan Extender (The fan and the board are not included)

hunter420
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