KarateLight

Link: http://karatelight.de
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There are two different Devices, both with the name KarateLight. They are both opensource and use the same protocol. Both are supported by the OLA karate-plugin. First there is a RGB-LED-Dimmer, originally created for ambient lighting on TVs. The second one, by the name of KarateLight-DMX is a simple and cheap USB2DMX Intererface. The first prototype only supports sending DMX, but RDM support will be added in the next hardware revision.

Hardware KarateLight Dimmer:

• 8/16 RGB Channels for 12V LED-Stripes
• 60 Watt Output Power (or 120Watt for 24V LEDs)
• 12Bit color resolution (Gamma-Lookup Table in the Firmware
• 1kHz PWM frequency
• Free Hardware. Get the schematic and build your own device
• Firmware-upgrade over USB

Hardware KarateLight-DMX:

• From USB to DMX (one way DMX; RDM will be added in the next version)
• The DMX data is buffered and the transmission is timed by the microcontroller
• USB powered
• No galvanic isolation (will be added in the next version)
• Free Hardware (CC-BY-NC-SA). Get the schematic and build your own device
• Firmware-upgrade over USB

Software:

• Supported by OLA on Linux
• Plugin support for most Enigma2 Settop-Boxes
• Supported by boblight (Win, Linux, Mac)
• Supported by AtmoWin (Windows)
• Supported by DFAtmo (Xbmc, VDR, xinelib)
• Firmware is based on the Microchip-USB-Stack for Pic18 Controllers which is free-as-in-beer but not free-as-in-speech. The non-Microchip parts are GPL.

KarateLight-Dimmer
KarateLight-DMX-Interface