# A flow to identify inactive sensors (values) / unavailable devices **URL:** \ **Category:** Questions & Help\ **Created:** [August 2, 2023, 9:45am UTC](https://community.homey.app/t/a-flow-to-identify-inactive-sensors-values-unavailable-devices/85808 "2023-08-02T09:45:40Z")\ **Posts on this page:** 1\ **Showing post:** 14
**Author:** ![Torch1969](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/torch1969/32/33305_2.png) [@Torch1969](https://community.homey.app/u/Torch1969)\ **Post date:** [August 2, 2023, 7:58pm UTC](https://community.homey.app/t/a-flow-to-identify-inactive-sensors-values-unavailable-devices/85808/14 "2023-08-02T19:58:23Z")
> [@Yestond](#): > > I’ve tried to search through different topics without luck. > Is there any way to create a flow that notifies if a sensor value hasn’t changed/updated in, say 24 hours? This thread has some usefull suggestions > [@A script to check sensor last update](https://community.homey.app/t/a-script-to-check-sensor-last-update/63142): > > Hello everyone, In my home set-up I have a bunch of Aqara sensors directly connected to a Homey that I use to monitor temperature and humidity (and for some of them, to trigger some automations based on those). Overtime they run out of battery and I only realised it when the automations don’t start or for the “passive” ones, only when I dive a little deeper in the Insights section. My idea was to use a script to read at a regular interval (say every day) the last updated value of a given senso… --- _[View the full topic](https://community.homey.app/t/a-flow-to-identify-inactive-sensors-values-unavailable-devices/85808)._