LED Calc

LED Calc's icon

This iOS application calculates the value of required resistor, when designing the circuit using LED.

  1. Input forward voltage (VF) and forward current (IF) with reference to the data sheet of LED.
  2. When you connect two or more LED in series, input the number of LED.
  3. Input the power supply voltage of a circuit.
  4. If you push a calculation button, the value of required resistor will be displayed.

Supposing you have a question, post to the following comment field.

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