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

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1214050

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DKK97.50 DKK78.00

Geeetech Reprap Ramps1.4 RRD Fan Extender For 3D Printer Reprap With 2 Channels is available to buy in increments of 1

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

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Description:

- If you build or upgrade your printer with/to DUAL-EXTRUSION (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 RRD-FAN-EXTENDER is exactly what you need in this case. It is a plug and plays solution to mount the FAN for DUAL-EXTRUSION setups with RAMPS1.4. But instead of adding only one additional output port the RRD-FAN-EXTENDER 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 RRD-FAN-EXTENDER 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 re-flash your board.

2. Power up, two connecting fans will take turns to rotate.

3. Can be connected follow the description picture.