Na ngwá electronic, ihe opto-isolator, na-akpọ ihe optocoupler, photocoupler, ma ọ bụ ngwa anya isolator, bụ a akụrụngwa na Nyefe eletriki n'ókè n'etiti abụọ dịpụrụ adịpụ na sekit na sekit site na iji light.
