Yes, that shield would be fine, it's basically just a level converter to DMX levels - you just have to connect up RX and TX wires (and power/ground obviously). So are you planning on transmitting DMX rather than receiving it? If so I think it should be relatively easy to do with Espruino.
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Yes, that shield would be fine, it's basically just a level converter to DMX levels - you just have to connect up RX and TX wires (and power/ground obviously). So are you planning on transmitting DMX rather than receiving it? If so I think it should be relatively easy to do with Espruino.