DroneHome ensures you'll never lose a drone (or anything else for that matter) after a fall into tall grass, a tree, bush, rooftops, whatev!
My iRobot got fried when it got wet from rain coming in the window..I HACKED IT using Particle, STM32 dev board and Adacore
Solar-powered laser rangefinder to log river levels to the cloud for flash flood warning and kayak trip planning.
After researching the Sonoff WiFi switch, I decided to build my own switch box mountable 120V input IoT switch.
A mesh of open devices monitoring railway crossings "open-closed" status.
How do you get a notification when your home has lost power, or lost its internet connection? Enter Particle Electron!