If you’re looking for a way to keep tabs on what’s happening around you, this battery-powered, GPS-enabled motion detector alerts you of a breach via SMS text message.

Furthermore, the vacant solder pads near the three-pin interface header is for mounting a light-dependent resistor (LDR/CdS cell). This, if added, causes the detector to be operational only when the ...

If you have mischievous children or forgetful elderly in your life, you might want to build a couple of these tiny motion detection alarms to help keep them out of harm’s way. Maybe you want to keep ...