The Office of Student Computing Resources (OSCR) features general computing labs and multimedia labs. Check the Hours page for schedules. Some labs may be reserved, so see if the one you want is available.
OSCR also provides Gear-to-Go, where you can check out digital still cameras, digital videocameras, microphones, lighting equipment, and more.
The UA Library Info Commons provides additional open-access computer labs on campus. Library locations also provide free checkout of laptops, netbooks, tables, projectors, and numerous other items at their Equipment Lending.