1. Introduction Me ka holomua mau o ka ʻenehana hōʻike, ke piʻi nei ka noi no nā pale LED me ka wehewehe kiʻekiʻe, kiʻekiʻe kiʻi kiʻi, a me nā noi maʻalahi i kēlā me kēia lā. E kū'ē i kēia kāʻei kua, ʻo ka hōʻike LED pitch pitch maikaʻi, me kāna hana koʻikoʻi, ua hele mālie ...
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