Just follow the schematic diagram to complete the construction, and use any standard 9VDC Arduino power source to energize the system. Here, for demonstration, three different color LEDs (Red, Green ...

When you need to quantify the color of an object, you’ve got quite a few options. You can throw a Raspberry Pi camera and OpenCV at the problem and approach it through software, or you can bu… ...

PWM dimming provides reduced brightness levels while reproducing an accurate color. Since PWM dimming maintains the full-forward current through the LED, it eliminates the color “shift” associated ...

Here’s an Arduino library that will let you drive a very large number of LEDs. [Elco Jacobs], an electrical engineering student, is the author of the library. He has a work-study job that has… ...

PWM pins work the same way across all Arduino boards, so you don't need to go out of your way to buy a Mega if you already have a board supporting PWM. On the Uno, Nano, and Mini, the PWM pins are ...

Unique True Colour PWM™ circuitry allows a dimming range of 400:1 without any colour shift normally associated with LED current dimming. With its wide input voltage range of 4V to 36V, the LT3474 ...