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A advanced logic library for homey
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An advanced logic library with variable management for Homey.

Variables can be managed from the settings screen. All variables must be defined before using them in the flows.

Any requests, please post them in


  • Ooops, sorry :(


  • Hotfix: Only store changed variables in insights to prevent storage loss


  • Feature: Add NumSlide device. When adding, first you have to specify the min, max and step size. After that you can select your number variable.
  • Feature: Add Trigger variable with action cards. This trigger fires one time when being triggered
  • Feature: Add Trigger device to create a button that can trigger
  • Feature: Add trigger to API. Call


  • Hotfix: Removed the tokens from the trigger cards. If you need the value, use the TAG. Sorry if I broke your flow.


  • Feature: Add global TAG support
  • Feature: Added NumSlide device for numeric value changes. It ranges from 0-100 with steps of 0.5
  • Feature: Changed the i and d in increment to increment and decrement (left the i and d for backward compatibility)
  • Feature: Added #DD (day), #MM (month), #YYYY (year), #HH (hours), #mm (minutes) #SS (seconds) as reserved words next to timenow in the mathjs flows. You can now for example assign #HH to a variable to get the hours. Also I changed timenow to #timenow for consistency.
  • Bug: Replace filter with find when looking up devices
  • Bug: Fixed delete all function so it also removes all Insights



  • Feature: Add decimal support in the number action cards. This will work starting from Homey V0.10
  • Feature: Turn on insights for boolean and number values. Existing variables will also be turned on
  • Feature: Implement backup and restore of variables offline
  • Bug: Fix propagation of updates from bitflip
  • Bug: Fix a bug where setting a variable with the same value did not trigger the variable set card
  • Added a donate button as requested by MartijnDeRhoter


  • Switch to tools category


  • Hotfix: Fix initialization of empty collection after deleted
  • Added some extra logging


  • Hotfix: Fix variable loss after homey update to 0.8.27


  • Feature: Add action card. Only number output is supported. (Be aware, there is no syntax validation)
  • Feature: Add $timenow$ as a special variable for mathjs. This will retrieve the current time in seconds since epoch This variable is not stored in the overview, but used in expressions.
    • In the condition flow this can be used to test if a certain time is passed. $timenow$ > $storedTime$ + 1800 (half an hour)
    • In the action flow this can be used to create a time in the future by donig $timenow$ + 1800 (half an hour)
  • Feature: Add card that triggers when a variable is set but is or is not changed
    • The last changed date/time in the grid overview is now changed to the last set date/time


  • Feature: Add condition card. Currently only boolean logic is supported. (Be aware, there is no syntax validation)
  • Feature: Add card that triggers on change of one of the specified variables (Be aware, there is no syntax validation)


  • After testing it is very stable, so almost at version 1.
  • Removed: Insights is removed for now until Athom stabalized the API for bool, int and string
  • Feature: Add toggle of boolean (true->false or false->true) to API support
  • Feature: Enable authorization on the API.
  • Feature: Add 'text starts with' condition
  • Bugfix: Dont change last changed timestamp when value is edited manually but not changed.


  • BREAKING CHANGE: Due to renaming bool values to boolean all variables and cards need to be re-added.
  • Bugfix: Dropdown was not working for boolean values in the .
  • Feature: Added BitFlip device to switch a boolean value from the device and phone app.
  • Feature: Added API support to GET, GET all variables and SET (post) a value.
  • Feature: Add date time last changed to settings screen with format (YYYY-MM-DD HH-MM-SS)
  • Feature: Implement insights. (note that bool and string values are not displayed yet in the module)
  • Feature: Implement card that can set all variables. It converts the type. If the type matches the value is setted
  • Feature: Implement trigger card that triggers on a number change. (minimal difference, minimal increase or minimal decrease)


  • Bugfix: Add more variable checks to prevent crashes on flows that contain variables that are deleted.


  • Bugfix: Bug that prevented creating variables when app is first installed.


  • Initial release
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