None of those expenses ( books outside of my institution, internet at a certain speed, detachable web cam, and a PC ) qualify for the Lifetime Learning Credit (LLC). The only course materials that count are those include in the course fees.
Furthermore, the LLC, unlike the AOTC, does not have a refundable portion. The LLC can only be used against an actual tac liability.
Reference: https://www.eitc.irs.gov/other-refundable-credits-toolkit/compare-education-credits/compare-educatio...
which says, in part:
LLC Qualified expenses: Tuition and fees required for enrollment or attendance