How to receive a notification for an event within a certain time period (e.g. window is open for 15 mins)? Unfortunately, such delayed notification is currently not available. Related articles Help with "Between Hours" Project Example: Receiving e-mail notification when temperature drops below 5°C (with Mobile Alerts sensor) Is the data stored locally on my computer? For how long? How to create a Google Sheets table with temperature and humidity Is Conrad Connect free?