Prevent action on a light that is already on

[JDRoberts]

There are several different ways to do this, but by far the most straightforward is going to be to use core.

Core is very complex, but there are many community members will be glad to help you get a rule set up to do just what you want. Just let them know upfront that you will need a step-by-step because you don’t have a programming background.

FAQ: What is WebCoRE? (And what was CoRE?)

CoRE (now WebCore) is a very powerful community – created rules engine for SmartThings. It allows you to set up stacked conditionals like “If A then B but only while C and not if D.” Setting it up can be quite complex, but there are many community members who will be glad to help you. For example, here is a piston that one member created to notify him if the dog had already been fed twice that day and he picked up the dog bowl for a third time. He needed this because he has a large family and people didn’t always remember whose turn it was to feed the dog. [image] The original version of CoRE Has now been replaced by a new version, WebCoRE, which moves the data entry to a web interface. This allows for flexibility and an architecture that requires more memory than is av…