Tinkerkit modular prototyping system tinkerkit t040060 part of the tinkerkit prototyping system the dmx master shield when plugged on top of an arduino board is used to drive a series of dmx receivers the shield supports up to 512 dmx modules connected in series to create a comprehensive dmx control system controllable via computer to download the dmx master library please visit here arduino tinkerkit t040060 dmx master shield