Each row of like colored LEDs is brightness controlled by a digital potentiometer ... Arduino pins 0, 1, 2, and 3. Yes, they’re marked Analog in, but it doesn’t matter. The keypad switch ...

This is an easy tutorial showing how you can control the brightness of an LED or adjust the speed of a DC fan using Arduino Board, a small BC547 transistor and a potentiometer. In my example the whole ...

Known as the Screech Owl, the build is based around a custom shield designed to suit the Arduino Leonardo. The primary control interface is a Softpot 500 mm membrane potentiometer, layered up with ...

Adafruit has this week announced the arrival of the new Arduino RGB Matrix Shield which is now available ... Of course, if you need 1 Amp or more, just use the 2×8 connector for data and use ...