LED resistor.
Pick a supply, drop, and target current. Get the series resistor for N LEDs — plus power and a standard-value rounding.
// INPUT · LED + SUPPLY
ALL REQUIRED
02
// Reference
Typical Vf by LED color
| Color | Vf (≈20 mA) |
|---|
Approximate values. Always verify with your LED's datasheet at your operating current and temperature.