RE esp8266 seem a more suitable
The thing is you can get a zero for less than the price of one of these and you can use it to program itself up in a gui all run from itself. I've been a lover of arduinos for a while but the Pi Pisses all over it for most applications I can think of, and the ones that I cant do on a Pi I'd do with a pic - I can get them for free from my local washing machine repair man.
Biting the hand that feeds IT
