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FidoLight RGBW Spotlight: The Beginning

[This blog entry was originally posted to Reddit in March 2021] For various art-lighting projects, I’ve been in search of a high-power RGBW (or maybe just RGB) spot/flood light fixture that is water/UV resistant and ideally has a SK6812 (RGBW) compatible serial interface. I’ve seen (but not tried) this 10W addressable RGB fixture, but it’s a bit largeContinue reading “FidoLight RGBW Spotlight: The Beginning”

Simple Multitasking for Arduino

Beyond Blink Without Delay If you’ve been building projects with Arduino-compatible microcontrollers for more than a few months, you’ve probably faced the challenge of orchestrating the timing of the processing functions for multiple switches, sensors, displays, LEDs, motors, etc. On your first simple projects, you probably got away with using one or more calls toContinue reading “Simple Multitasking for Arduino”

LEDs for Light Art – Part 4: LED Driver Circuits

This article describes hardware circuits, as part of a microcontroller-based lighting control system, that can be used to reliably and efficiently drive the various types of LEDs described in Part 1. Introduction This article starts with the basics of driving a single LED in a constant-voltage or constant-current mode, and then explores the options toContinue reading “LEDs for Light Art – Part 4: LED Driver Circuits”

LEDs for Light Art – Part 3: Lighting Techniques

This article describes a variety of lighting techniques that can be used to achieve captivating and beautiful effects , employing the LED types summarized in Part 1 and the optical elements covered in Part 2 of this series. . Introduction Some new terminology will be helpful in categorizing the different lighting techniques discussed in thisContinue reading “LEDs for Light Art – Part 3: Lighting Techniques”

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