Nevermore Owl - Servo controlled Air Dampener

I made this because i wanted a way to be able to exhaust my air out of my chamber if it was to hot.
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updated October 5, 2024

Summary

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I made this because i wanted a way to be able to exhaust my air out of my chamber if it was to hot.

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Model origin

The author remixed this model.

Differences of the remix compared to the original

this remix contains a servo controlled air dampener as well as the eletronics from the stealthmax (2x environmental sensors,2x VOC sensors).

 

the dampeners each use 2x 625-2RS Ball Bearings:
(what i got: https://www.amazon.com/dp/B0BRQP2QG7)

 

I have made 3 versions of the pinion gear for the servo, you need to choose the one that fits the best. (im using the medium one.)
 

Wiring diagram:  (Servo hasnt been added yet but it is a work in progress-9/29/24 )

 

Firmware:
https://github.com/SanaaHamel/nevermore-controller


Suggested Filament & Print Settings:

  • ABS/ASA or other heat-tolerant material that will put up with the repeated heat exposures from a heated bed and chamber without warping. Nevermore Mini was prototyped in ABS+.
  • Supports? No. The few places where supports are necessary, theyre part of the STLs/3mfs.
  • 0.2mm layer height and 0.2mm bottom layer height (needed for slicer to interpret built in tolerances (wagos, supports, etc) correctly.
  • 4 walls, 15-20% infill.

 

Bill Of Materials:

Assumes 2-wire fan to 2-pin microfit connector, no electronics, mounted to an aluminium extrusion (1515, 2020, or 3030) with t-nuts.

ITEMS[BASIC BUILD]#
Fan5020GDSTime [5V, 12V or 24V]  1x
(alt option)4028Delta [24V]Delta [12V]Sunon [12V] 
  
HEPA190x45Nevermore Resellers GitHub for vendor listBluerolls Nevermore Mini HEPA1x
Carbon4mmNevermore Resellers GitHub for vendor list150g
  
Magnets6x3mm6mm [D]  x 3mm [H] N35  +1x for bambulabs8x
  
FastenersEITHERM3 282PCS Ball Head Set  [contains bolts + plenty spares]1 set
 or 
 M36mm BHCS / FHCSexterior surface thin heads4x
  6mm SHCS 6x
Mounting:M3m3 x 8mm SHCS if 2020/1515 extrusion0-2x
 M4m4 x 8mm SHCSif 3030 extrusion0-2
 T-nuts1515/2020/3030 [t-nuts to mount, if printer has extrusions] 2x
 Note: For bambu users, a single extra magnet instead of mountings bolts. Since the panel is aluminum, a metal adhesive sticker is needed (30mm suggested, 0.3-0.5mm thick).
InsertsM3x5x4 5mm(OD) x 4mm (L) M3 Inserts10x
  
Electrical 2-pin Micro-Fit Connectormale+female1x
  AWG 26-28 FEP wire20cm: one black, one red2x
     
 [OPTIONAL ADD-ONS]#
SensorSGP40VOC sensorMeasures VOC Gasses1-2x
 BME280  Temp/Humidity SensorTemp/Hum VOC compensation0-2x
 Alt.Dual sensor, single boardReplaces separate sensors, has both SGP40 and BME280 on a single PCB. Pricey!0-2x
Display Pi Pico 1,28" Touch Display  1x
USB 90 degree connectorUSB to Power pico. 20cm1x
  4pin USB ConnectorOn the outside of the filter1x
Wiring Base slots fit wago 221 [inline, 2-wire and 3-wire]0-4x
PowerBuck5V-12V DC-DC [Only if 5V USB to 12v fan power needed]0-1x
Neopixel Shine from below the top cap?0-2x
    
 [READY-MADE KITS] 
OneTwo3D [UK]Nevermore Mini [Basic] 4028/24V 
BlueRolls [AliE]

Nevermore Mini Kit [Basic / Advanced] 

Note: Bluerolls kit not yet tested / vetted by Nevermore3d, buy at your own peril.

 
Mandala RoseworksNevermore Mini Hardware Kit 
Central 3D PrintingNevermore Mini Hardware Kit 


 

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