USB-DMX512 Module

From OpenDMX.net

USB-DMX512 Module (which includes connectors and does not include an enclosure) is an interface that allows control of lighting technology by PC. It is a module that connects to a USB port to which all of the lighting technology using DMX512 protocol can be easily connected. This interface has an excellent compatibility with broad range of software. Data can be broadcasted as well as received from and external source. Number of bytes sent over the bus is not limited in any way. That means that full 512 channels can be utilized, although this amount can vary according to the features of used application.