# Alarm if no update from sensor Aqara- HP23 **URL:** \ **Category:** Questions & Help\ **Created:** [January 15, 2025, 11:30am UTC](https://community.homey.app/t/alarm-if-no-update-from-sensor-aqara-hp23/127817 "2025-01-15T11:30:52Z")\ **Posts on this page:** 1\ **Showing post:** 4
**Author:** ![Sharkys](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/sharkys/32/54029_2.png) [@Sharkys](https://community.homey.app/u/Sharkys)\ **Post date:** [January 15, 2025, 5:03pm UTC](https://community.homey.app/t/alarm-if-no-update-from-sensor-aqara-hp23/127817/4 "2025-01-15T17:03:52Z")
> [@Bernt\_Erlend\_Fridell](#): > > of a working flow or script? **Zigbee only** > [@A script to check sensor last update](https://community.homey.app/t/a-script-to-check-sensor-last-update/63142/39): > > As there is for some time options to see Lastseen timestamp for Zigbee devices, here is the script for Zigbee devices only, which might be more accurate for Zigbee devices. Thanks @Caseda for your overview script wink Version 0.3 - updated for HomeyScript v. 3.5.1 Version 0.3b - fixed for THEN card (returning TEXT value), primary use-better use is for AND card though Version 0.4 - added option to filter out routers and/or end devices // Version 0.4 // Script checks LastSeen property of Zig… **Any device** > [@A script to check sensor last update](https://community.homey.app/t/a-script-to-check-sensor-last-update/63142/25): > > Updated script I posted above - added counter of non responding devices - eg, in case you would like to initiate some action based on number of not-responding devices - please note this is the version I’m using, so feel free to change relevant variables below the section // Filter devices to check Changelog : 0.1 - update - converting notReportingCount to a number - if you used previous version of script, delete tag by await tag(‘notReportingCount’, null);\* 0.2 - added filtering based on dev… --- _[View the full topic](https://community.homey.app/t/alarm-if-no-update-from-sensor-aqara-hp23/127817)._