LED Resistor Calculator Online Free Tools
Quickly calculate the ideal resistor for your LEDs using this LED Resistor Calculator Online Free Tools. Enter supply voltage, LED voltage, and current to get instant results
How to Use the LED Resistor Calculator:
- Enter Supply Voltage (V): This is the voltage coming from your power source, like a battery or adapter (e.g., 9V).
- Enter LED Forward Voltage (V): This is the typical voltage drop across the LED. Common values:
- Red LED: ~2V
- Blue/White LED: ~3.2V
- Enter LED Current (mA): The desired current for the LED (e.g., 20 mA is standard for most small LEDs).
- Click “Calculate”: The tool will instantly show you the recommended resistor value in ohms (Ω) to safely connect your LED
Post a Comment
Note: Only a member of this blog may post a comment.