Can't You Just Calculate the Resistor Value Manually? Of course, you can perform LED resistor calculations manually, and a great many engineers and DIYers have long done so. However, there are ...

To calculate the resistance of the series resistor required, we need to look at the current and voltage values recommended by the LED manufacturer. Suppose a manufacturer recommends a maximum ...

In the fields of engineering and electrical design as they exist today, the term “calculator” can refer to physical handheld ...

and calculate resistor values for driving LEDs. If you’re going to keep a knock-around calculator on your bench, why not build the thing yourself? Given the dual nature of this product ...