Provided are a power generation system which does not limit a patient’s range of motion, is harmless to a living body, and can obtain a sufficient electricity generating capacity in the stomach or the intestines and a disposable medical capsule device which does not have to be collected after use. An initial mapping procedure identifies all possible connections. These variations can be particularly acute in high density memory structures, such as in 3D NAND memory, such as that of the BiCS variety.