Creating a rental scooter that can be activated remotely using an app.
Visualize car data with a free Blynk account, particle electron and Carloop.
I removed the buttons from the PCB, rewired the switches, and use a Particle Electron to trigger each button via 3G from an Android app.
A mesh of open devices monitoring railway crossings "open-closed" status.
Using an old car keyfob and a Particle Electron, you can remotely lock and unlock your vehicle.
Environmental Monitoring Unit K9 Mobile Sentry is a cellular enabled monitor for my dog's safety while in the vehicle during short stops.
Here is an interesting way of monitoring yours or your kids driving habits by monitoring hard braking/accelerations and tailgating data.