It's worth noting that unless you're planning on using more than 5 it's probably cheaper to buy official Espruino ones when you factor in the DK cost.
You're also on your own as far as support goes - obviously I wouldn't last very long if I spent all my time helping people find ways to avoid buying Espruino products :)
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.
It's worth noting that unless you're planning on using more than 5 it's probably cheaper to buy official Espruino ones when you factor in the DK cost.
You're also on your own as far as support goes - obviously I wouldn't last very long if I spent all my time helping people find ways to avoid buying Espruino products :)