Monitor if the door or the valve gas is open... or if someone opened the cookie jar! Things used in this project Hardware components Arduino MKR1000 × 1 Li-Ion Battery 1000mAh optional × 1 OpenBuilds Micro Limit Switch × 1 Software apps and online services Samsung ARTIK Cloud for IoT Hand tools and fabrication machines Soldering iron (generic) Story intro! the project is simple, a switch connected to the Ar ...