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Anet Auto Fan

Anet 3D printers Hot-end Fan Automation

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On the Anet Board based printers, the hot-end fan is always on. The idea is to build a small board to automate the fan power.

The idea of this project is to have a board that can be placed between power of the fan and the fan itself. It will then be triggering a mosfet when temperature reach 50°C (can be adapted in software).

Anet Auto Fan.pdf

Schematics

Adobe Portable Document Format - 17.97 kB - 10/02/2018 at 11:32

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  • 1 × PCB Electronic Components / Misc. Electronic Components
  • 1 × ATTINY85 Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
  • 1 × irlr7843pbf (Q1) Discrete Semiconductors / Power Transistors and MOSFETs
  • 1 × MC78M05BDTRKG (IC1)
  • 2 × 0805 LED

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  • First assembly

    Louis Borsu10/02/2018 at 11:40 0 comments

    I've received few of the components (except DC converters) and started assembling the board. 

    It is alive!!!

    There are few mistakes to take in count for future version:

    1) GND vias are not linked to GND net

    2) Few footprints are a bit small for hand soldering, it could have been a bit bigger

    What I still want to do :

    1) create a programming rig with pogo pins

    2) create a test jig that can perform tests on devices for several hours

    (I want to do this for fun and learn, it is of course overkill for this project ;) )

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