This LED calculator will help you calculate the resistor values you will need when designing a series/parallel LED array circuit.

DigiKey's LED series resistor calculator uses supply voltage, forward voltage, and forward current values to help you identify the correct series resistor.

Calculate resistor values for LEDs using this simple calculator. Enter any three known values and press Calculate to solve for the others.

Use our LED Resistor Calculator to find the optimal current-limiting resistor for your LED circuit. Get wiring diagrams, schematics, and detailed analysis.

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.

Our LED calculator will help you determine the value of the current limiting series resistor when driving a single or an array of low-current LEDs. To get started, input the required values and hit the …

Free online LED resistor calculator for electronics engineers, students, and hobbyists. Calculate the perfect resistor value for your LED circuits with our professional-grade tool.

An LED Resistor Calculator is an electronic design tool used to determine the appropriate resistor value required to safely operate a Light Emitting Diode (LED) from a given voltage source.

An LED (Light Emitting Diode) requires a current-limiting resistor to prevent damage and ensure proper operation. This calculator helps you determine the correct resistor value based on your power supply …

Use this LED resistor calculator to find out the suitable resistance for your LED circuit consisting one or more LEDs.