Interesting links
Astronomy

Mount, DIY:

DIY:

• https://www.youtube.com/ watch?v= 5b7s7K3thcs (Astrophotography on a Budget: DIY Harmonic Mount for $399, Astrophilos) NEW February 2025
• https://www.youtube.com/ watch?v= nxGgVqvXn8o (Carbon Fiber Harmonic Drive Telescope Mount, Dave Aldrich) NEW February 2025
• https://www.youtube.com/ watch?v= hhSib8TQQps (AS5048A 14-bit magnetic position encoder, Curious Scientist)
• http://www.gototelescopes.com/ (GoTo and Tracking Systems, GoTo Telescopes)
• https://www.siderealtechnology.com/ (Telescope Control Systems, SideReal Technology)
• http://astro.neutral.org/ arduino/ arduino-telescope-control.shtml (The DIY Arduino Telescope GOTO control project, the Curdridge Observatory)
• https://www.ngc7000.com/ telescope-motorization.htm (Telescope Motorization with Arduino, NGC700)
• https://github.com/ agnunez/ arduino cgem driver/ blob/ master/ README.md (GEM Telescope Mount Control with an Arduino Mega, Ray Wells Github)
• http://astro.neutral.org/ (DIY mount, Arduino, The Curdridge Observatory)
• https://www.scribd.com/ document/ 383922603/ Equ-Mount-pdf (Design a German Equatorial Mount, Jeff Beish)
• https://www.skyatnight magazine.com/ advice/build-a-dobsonian-equatorial-platform/ (DIY: Build a dobsonian equatorial platform, Sky at Night Magazine)
• http://astro.neutral.org/ homemade-diy-gem-telescope-mount.shtml (The DIY homemade German equatorial telescope mount, The Curdridge Observatory)
• https://www.rankinstudio.com/ eq6rebuild (EQ-6 EQ6 Atlas EQG Rebuild Hyper-tune Guide, Rankin Studio)
• http://astroproservice.com/ (AstroProService, stepper motor controller kit)
• https://www.astroeq.co.uk/ (AstroEQ, stepper motor controller kit)
• http://www.astro-baby.com/ EQ6 rebuild guide/ EQ worm alignment.htm (EQ6 mount, worm gear adjustment)
• http://www.bbastrodesigns.com/ tm.html/ (Telescope making, Mel Bartel)
• http://www.astro-electronic.de/ (Stepper motor controller)

Direct driven brush free motors:

• https://onstep.groups.io/ ... brushless dc motor for direct (Brushless dc motor for direct drive mount, OnSteps groups)
• http://siderealtechnology.com/ DirectDriveWork InProgress.pdf (Direct drive amateur budget)
• http://articles.adsabs.harvard.edu// full/ 2008SASS...27..123G/ 0000124.000.html (Direct drive)

High resolution encoders:

• https://www.youtube.com/ watch?v= yvrpIYc9Ll8 (AS5600 magnetic position encoder, Curious Scientist)
• https://www.linearmotiontips.com/ how-do-magnetic-linear-encoders-differ-from-optical-versions/ (How do magnetic linear encoders differ from optical, linear motion tips)
• https://www.rls.si/en/ products/ linear-magnetic-encoders (Linear magnetic encoders, RLS)
• https://www.posic.com/ EN/ products.html (Encoders, Posic)

Have a look at my 3D-print project page:

• ../3d-printing/ direct-drive-motor/01-direct-drive-motor.html (Direct drive motor)