How to Make LED Indicator FOR 220 Volt AC.
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#ledindicator #resistance #calculation
i demonstrated how to calculate a proper resistor for LED to drop voltage and control the LED current to make led indicator lights to connect directly to ac line voltage 220 / 230 / 110 VAC, it is normally used as led indicator to show the ac presence. for that purpose we need to calculate a series resistor, i shared the calculation formula to calculate resistor ohmic value and power rating for the resistor.
using this method i demonstrated, how to make ac 220v led indicator, and how to connect led light to 220v ac or 110v ac,
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