To get our outdoor plants through the winter, we bought a greenhouse with a gas heating. This works perfectly when gas heating is turned on and the gas can is not empty. If not, plants take it amiss overnight.
This circumstance was my motivation to get alarmed if temperaure falls beyond a certain level, lets say 5 degree in the greenhouse. Because we have 2013 and not 90s, I want to get alarmed via push messages on my Android phone (not via email). The service Pushover provides the great possibiliy to send a push message to a phone for free and easily via an API. So I installed the app on my phone and wrote an actor module in FHEM for it.
Continue reading FHEM module “Pushover”