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Bikin LED
Led bayan gida yana nufin amfani da LEDs (haske na bayyanar haske na hasken wuta, yayin da abin da bai dace da hasken ruwa na ruwa ba, mai kama da fitilun fitilun ruwa) don jagorancin fitilu). Kyakkyawan ƙa'idar ruwa crystal za a iya fahimtar cewa gaskiyar cewa ƙarfin lantarki yana ɗaukar nauyin ruwa mai ƙwayoyin cuta na ƙwayoyin cuta za su toshe fassarar T ...
