This LED DIMMER is an Arduino Uno based PWM (Pulse Width Modulation) circuit developed to get variable voltage over constant voltage. The method of PWM is explained below. Before we get start building ...

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RGB-LED-With-Arduino-Uno-inbuilt-PWM. RGB LEDs are becoming increasingly popular due to their ability to emit different colors from a single LED. With the help of an Arduino Uno microcontroller board, ...

Pulse-width modulation (PWM) Pulse width modulation (PWM) is a powerful technique for controlling analog circuits with a microprocessor’s digital outputs. Pulse-width modulation,as it applies to LED ...

The PWM sketch works to vary the output linearly, however, the light outputted by the LED does not change in a linear manner. When applying the scientific metric of ‘perceived brightness versus time’ ...

A few months ago, [Julian Ilett] found a problem using the Arduino library for PWM. Recently, he revisited the issue and used his own PWM code to fix the problem. You can watch the video below.

[Runtimemicro] has the answer, at least if you are writing PWM code for the Arduino. Their free application lets you set a few parameters, visually see the results, and then generates code for you.

Learn how to program Arduino with Python using PyFirmata. Step-by-step tutorial with code examples for controlling LEDs, sensors, servo motors & more. No C++ required - start today!

A 3-D LED LED cube game that will be able to astound you with the combinations it is capable of. Inexpensive and easy to make, thanks to an Arduino.

If you've got an Arduino of any variety, you might have noticed some of the pins on the board have a tilde mark or PWM printed next to them. What is PWM?