Start by charging your old phone and connecting it to Wi-Fi. Install Alfred Camera on both your old phone and your current ...

Turn an Old Smartphone into a Security Camera: There is no longer a need for expensive CCTV systems to ensure home security.

Your garden variety motion detector uses IR, but these days, there are fancier technologies for achieving similar goals. If so desired, you can source yourself a microwave-based presence sensor ...

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 ...