Need help: how to control cooling fan by the 12V-aux pin
Arduino MEGA Shield - RAMPS
Buy 3D Printer Controller Board RAMPS 1.4 Arduino Mega Shield RepRap Prusa Model in Egypt- Micro Ohm Electronics
marlin - Repurpose extruder pin(s) for a parts cooling fan? - 3D Printing Stack Exchange
Build a 3D printer - Part 11: Electronics | ezContents blog
Ramps1.4 - Geeetech Wiki
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prusa i3 - How can I add an extra fan, controlled by a microcontroller, to my board? - 3D Printing Stack Exchange
RepRap Ramps1.4 3D printer circuit connection graph « osoyoo.com
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Configuring and Using Reprap Ramps1.4 RRD Fan Extender : 3 Steps - Instructables
![SainSmart 2-in-1 3D Printer Controller Board for RepRap Arduino Betterthan RAMPS - [[:Template:SainSmart Wiki]]](http://wiki.sainsmart.com/images/1/1d/Ramps2in1.png "SainSmart 2-in-1 3D Printer Controller Board for RepRap Arduino Betterthan RAMPS - [[:Template:SainSmart Wiki]]")
SainSmart 2-in-1 3D Printer Controller Board for RepRap Arduino Betterthan RAMPS - [[:Template:SainSmart Wiki]]
How should cooling fans be connected to Ramps 1.4? : r/Reprap
Generic RAMPS 1.4 Board - 3D Print General
Fried a RAMPS 1.4 after doing a 24V conversion, what went wrong? : r/Reprap
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Pin 9 - Arduino Mega 2560 - Project Guidance - Arduino Forum
RAMPS Fan Expansion Board – Chris Barr Builds
Ramps 1.4 Firmware and Fan configuration
TinyFan RAMPS Fan Expansion Board
Configuring and Using Reprap Ramps1.4 RRD Fan Extender : 3 Steps - Instructables
ramps 1.4 which pin numbers ;( - Programs, Apps and Websites - Linus Tech Tips
Adding Parts Cooling Fan to Your 3D Printer : 3 Steps (with Pictures) - Instructables
![Sintron] 3D Printer Controller RAMPS 1.4 Arduino Mega Pololu Shield f – Sintron Technology](https://cdn.shopify.com/s/files/1/2525/8632/products/s-l500_d0825c2f-349e-48ef-ba62-2eb76502efcc_grande.jpg?v=1513316448 "Sintron] 3D Printer Controller RAMPS 1.4 Arduino Mega Pololu Shield f – Sintron Technology")
Sintron] 3D Printer Controller RAMPS 1.4 Arduino Mega Pololu Shield f – Sintron Technology
