Openhab out set +Percent

[MDAR (Stuart Hanlon, UK importer of Velbus hardware)]

Have you seen this thread?

Node-RED as Alternative Rule Engine

Hi All A happy new year to everyone Something has been bugging me for a while, so I have spent an hour finding a solution. What I wanted to do was mimic the Press and Hold dimming / volume change that you might see in some hardware. I found a way to detect a button event, get the current Item state (a number) and add or subtract a number then inject the new value back into the Volume or Dimmer Item. This worked well, I had 2 buttons. 1 for up 1 for down I could even use t…