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The BIQU BX needed two things to let it sit idle with Octoprint running: a screen saver and quiet fans. In this video, I manufacture a custom PCB to implement a quiet fan switch circuit by Chuck from Filament Friday.
The guide uses a cheap CNC router and free software. My methods are a little unconventional at times but the end result is just what I wanted.
Thanks to CHEP for allowing me to feature his most effective circuit design. It has made a great difference to the way I can use this printer.
0:00 Introduction
0:44 BIQU BX recap
My BIQU BX video: • BIQU BX - Octoprint co...
2:55 CHEP’s temperature switching fan circuit
CHEP’s original video on this circuit: • DIY Temperature Contro...
3:43 Circuit simulation with Everycircuit app
Everycircuit app for simulation: everycircuit.c...
6:11 Schematic design in KiCAD
KiCAD: www.kicad.org
9:07 PCB design in KiCAD
12:54 Toolpath creation in Carbide Create
Carbide Create: carbide3d.com/...
15:30 Cutting the PCB
Genmitsu 3018 Pro CNC router video: • CNC router for $200 - ...
16:35 Post processing of PCB
17:16 PCB assembly and soldering
17:38 3D printing a mount for the PCB
18:51 Testing the finished circuit
19:34 Conclusion
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