From Autopilot Wiki
Off-the-shelf, premade components
|Rechargeable and not, storage of power
|Digital video cameras, webcams, etc.
|Computers and computer parts, including single-board computers, microprocessors, and individual computer components like graphics cards, Raspberry Pi HATs, etc.
|Tubing and reservoirs and materials for managing liquids
|Passive electronic components like resistors, transistors, solenoids, and so on
|Loudspeakers, passive and active
|Parts for building things, supporting structures, latches, hinges, etc.
DIY print, engrave, or fab your own
|Flat schematics like those for laser engravings and layouts
|Mesh schematics like 3d-printable parts and assembled component files
|Printed circuit boards (and all other circuit schematics, even nonprinted ones)
Raw materials, or generic items that don't need their own page (eg. all the different sizes of screws)
|Hardware for connecting things, like screws, brackets, and latches