Device Up \ Down using Ping

[njanda]

This also by @jwetzel1492 is also very handy

[UPDATED] HTTP Presence Sensor

https://github.com/joelwetzel/Hubitat-HTTP-Presence-Sensor HTTP Presence Sensor for Hubitat A virtual presence sensor for Hubitat that determines its state by trying to access an HTTP endpoint. If it gets good responses, it reports present. If it gets a few bad responses in a row, it reports not present. Use Cases Pinging a device (that has an HTTP endpoint) to see if it is on the house's wifi network. If that device is present, then it means someone is home. When running HomeBridge on a…