+ [[file:audio/Portable%20stereo%20active%20speaker/index.html][Portable stereo speaker]]
+ [[file:audio/Portable%20stereo%20active%20speaker/make.png]]
++ [[file:audio/Headphone%20hub/index.html][Headphone hub]]
+ + [[file:audio/Headphone%20hub/make.png]]
+
** Miscellaneous
:PROPERTIES:
:ID: 0482740b-0f2e-4138-804d-37c7025124d3
+ [[file:misc/12V%20Lead-Acid%20battery%20changer%20and%20terminal/index.html][12V Lead-Acid battery charger and terminal]]
+ [[file:misc/12V%20Lead-Acid%20battery%20changer%20and%20terminal/make.png]]
-+ [[file:misc/USB%20extension%20cable/index.html][USB extension cable]]
- + [[file:misc/USB%20extension%20cable/make.png]]
++ [[file:misc/USB%20extension%20cable/index.html][USB extension cables]]
+ + [[file:misc/USB%20extension%20cable/TPU/schematic.png]]
+ + [[file:misc/USB%20extension%20cable/PLA%20+%20TPU/make.png]]
** Optics
+ [[file:optics/35mm%20film%20copying%20device/index.html][35mm film copying device]]