Generic way to test "time since state became X" for device attributes?

[jtmpush18]

You may also wish to consider the following:

[RELEASE] Switch Timer with Reset

Switch Timer with Reset Modified version of @Cobra Switch Timer driver, with a reset if switch is triggered again before delay expires. It is 99% @Cobra code, I just added the reset for an application I needed. Features: Switch driver that has automatically switches OFF/ON after configurable delay Configurable delay reset option - if switch is triggered again before delay expires, reset the delay timer Unschedules any scheduled delay OFF/ON events if switch manually turned OFF/ON before dela…