PrismKit計算機分壓計算機分壓計算機在瀏覽器中執行本機複製連結Markdown計算分壓電路的輸出電壓、電流與電阻功率，或依目標電壓求出 R1 並列出最接近的 E12、E24 與 E96 阻值。歐姆定律計算機Enter any two of voltage, current, resistance and power to get the other two, with SI prefixes like 4.7k and 20m.LED 電阻計算機Find the series resistor for one or more LEDs, rounded up to a standard E-series value, with its power rating and actual current.