Arduino based DMX ArtNet-Node Or how to make an Art-Net node for less than $ 50 Updated 13-01-2013 In this post we show you how to build an Art-Net node based on Arduino UNO or Arduino Mega with two output DMX universes (1024 DMX channels on mega). This node answers to the basic messages

Dimmerino – Part 1 – Constant voltage mode power PCB for LED strips.
Dimmerino – Inexpensive modular dimmer for Arduino. Part 1 – Constant voltage mode power PCB for LED strips. (16 outputs), schematic + pcb.

Schematic Arduino 4 universes dmx shield
Schematic for Arduino four universes DMX shield for use with our DMX library: All resistor are 10 ohm 1/4 wat, integrated circuits are MAX485, MAX487, ST485, SN75176 or equivalent, connectors XLR female for output, male for input.

Arduino four universes DMX 512 library
After searching the web for Arduino DMX libraries, and test, we find no library allowing the use of multiple DMX universes and that did not use the timers of the arduino, so finally decided to create it. *** UPDATED 07/07/2012 *** Download current version: Arduino four universes dmx library version 0.3

Information about SPI digital led strips
When comparing SPI digital LED strips, we must consider the number and type of integrated (drivers) used per meter or quantity of LEDs. There are strips where only you can control three or more LEDs at a time and others where if we can handle each LED individually. If we use the strips to display