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Just use the standard resistor values chart to find the nearest highest value available. Example 1: The blue LED has a typical forward voltage drop of 3.2 V, therefore a 5 Ω resistor is required when using a 3.3 V supply voltage.
This LED calculator will help you calculate the resistor values you will need when designing a series/parallel LED array circuit.
5 Οκτ 2024 · Use this calculator to determine the appropriate resistor value for your LED circuit. Enter the supply voltage, forward voltage, and forward current to calculate the recommended series resistor.
This calculator will help you determine the value of the resistor to add in series with the LEDs to limit the current. Just input the indicated values and press the "Calculate" button. As a bonus, it will also calculate the power consumed by each LED.
R = U – U F I. LED Current-Limiting Resistor Calculator. With this online tool, you can easily calculate the current-limiting resistor for one or more LEDs, both in series and in parallel. Simply input the number of LEDs, the supply voltage, LED forward voltage, and LED current.
Calculate resistor values for LEDs using this simple calculator. Enter any three known values and press Calculate to solve for the others.
