In an LED circuit, do I have to put a resistor before every switch? - Quora
microcontroller - Resistor parallel to an LED? - Electrical Engineering Stack Exchange
led - Resistor on anode or cathode? - Electrical Engineering Stack Exchange
Resistor before or after LED? - Build Electronic Circuits
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Guide to LEDs and resistors
L6: LEDs - Physical Computing
LED Series Resistor: Calculator & Conversion Formula | Farnell
Implantation of led and resistor on the breadboard | Download Scientific Diagram
LED Resistor Calculator | Need for Series Resistor | Equation, Example, Resistor Power Dissipation | Basic electronic circuits, Calculator, Resistor
A simple circuit to limit the LED`s current by a resistor. | Download Scientific Diagram
Basics: Picking Resistors for LEDs | Evil Mad Scientist Laboratories
LED Resistor Calculator
Light Emitting diodes (LEDs)
Multiple LEDs on a Single Resistor : 5 Steps (with Pictures) - Instructables
Why does an LED burn if connected to a battery without a resistor? - Quora
In an LED circuit, do I have to put a resistor before every switch? - Quora
Basics: Picking Resistors for LEDs | Evil Mad Scientist Laboratories
Driving an LED with or without a resistor – tinkerlog
Why doesn't it matter which side of an LED a resistor goes on? : r/AskElectronics
Current Limiting LED Resistors - Single one? - General Electronics - Arduino Forum
arduino uno - Why would the resistor be after the LED in this project? - Arduino Stack Exchange
What Resistor Do I Need For an LED | DigiKey Electronics
circuit analysis - Does the resistor have to be before or after the component - Electrical Engineering Stack Exchange
