Of course the other option is to look at some analog circuits to do what you want, but then to control those from the Espruino. That could be really cool...
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.
Of course the other option is to look at some analog circuits to do what you want, but then to control those from the Espruino. That could be really cool...