This mod allows the player to set up alerts triggered by the circuit network. When triggered, the Alert Combinator sends a chat messsage to all players in the same faction. A list with all currently active alerts can be opened in the top GUI. Some useful examples:

• Iron throughput is smaller than a certain value
• Science point production has stopped
• Reserve steam engines have started
  ...

Acknowledgements:
This mod was inspired by JamesOFarrell's Lua Combinator mod (https://forums.factorio.com/viewtopic.php?f=93&t=15352). Large parts of the code of this mod come from there.