A small key box that could help Alzheimer patients families to identify the location, and the time when the key box gets opened.

Use a Particle Photon to check the state of a gate/door. Use a PHP webpage to display it.

Protect your family with latest and greatest door position sensing system!

Using a Particle Argon and a motion sensor I created a device that sends me a message whenever someone enters the house.

Home Security at the touch of your fingers! Get notifications when your house door is opened.