Oh right - yes, that could work nicely. If you're happy controlling the Espruino board from the wrtnode itself then you could use the examples at http://www.espruino.com/Interfacing
It'd be interesting to do something that actually made the Linux board a 'slave' to Espruino though!
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.
Oh right - yes, that could work nicely. If you're happy controlling the Espruino board from the wrtnode itself then you could use the examples at http://www.espruino.com/Interfacing
It'd be interesting to do something that actually made the Linux board a 'slave' to Espruino though!