This project demonstrates the usage of a photon and temperature sensor programmed to notify you when your car reaches a certain temperature.
This project uses the Particle board to sense the distance from the rear of the vehicle to another object nearby when parking.
Don't spend hundreds of dollars on aftermarket temperature sensors or rely on a fake gauge ever again!
Environmental Monitoring Unit K9 Mobile Sentry is a cellular enabled monitor for my dog's safety while in the vehicle during short stops.