Hi all, This is my first post and I just found out about arduino, so please forgive my ignorance about everything on the subject. I want to create a tilt sensor that will send me text messages on my mobile if tilted and operate on a battery. What's the minimum configuration and parts that I will …

Smallest arduino possible - Tilt sensor

system April 25, 2014, 2:39pm 8

What's the alternative to GSM then?

How else would you go about it?