LED Resistor Calculator app helps to get value of resistor for LEDs those are connected in series and parallel. See more features and details of the app given below. ➡ Find value of Resistor from Single or multiple LEDs connected in series or parallel. ➡ Change app background to dark mode from light mode and vice versa. ➡ Change app rotation to landscape from portrait and vice versa and also app auto detects the rotation of different devices like tablets. ➡ LED Series and Parallel Resistor form