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28 Σεπ 2024 · 5V LED Resistor Calculator (with Examples) This calculator finds the resistor value to be used with an LED and a +5 Volt supply. It also provides the power dissipation in the resistor – an important number for resistor selection.
This LED calculator will help you design your LED array and choose the best current limiting resistors values. To get started, input the required fields below and hit the "Design Circuit". Power supply voltage (V):
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.
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.
23 Ιαν 2024 · A calculator designed to help you understand what resistance value you require from your LED resistor, in order to ensure safety for your LED lighting.
The calculator on this page allows you to calculate the size/value/resistance of current-limiting resistor required to run an LED at the correct current for that type.
Calculate the resistor to use in a circuit with an LED by entering the supply voltage, forward voltage, and forward current below. Optionally calculate the resistor to accommodate multiple LEDs connected in series.
