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You need to install node-red-contrib-knx-easy library for Node-RED. You will do that in Settings.

1. Open the Node-RED and go to the Settings tab and select Settings.
   

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2. Go to the Palette tab. Here you can see all the libraries installed in the current Node-RED version.
   

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3. In the Palette, select the Install tab. Type in node-red-contrib-knx-easy in the search bar and click the Install button for the needed library.

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Importing and configuring the flow for KNX dimming

1. Copy the flow below. Then import it in the Node-RED using Import in Settings.
   
   

   Code Block
   language json
   [{"id":"71227ab4.ab1284","type":"function","z":"fd4e3895.5784f8","name":"funcion dimming KNX to E2D","func":"\nif(msg.payload.decr_incr==1 & msg.payload.data==1)\n{\n msg.payload= { \"HOLDUP\" : 1 };\n return msg;\n}\nelse if(msg.payload.decr_incr==0 & msg.payload.data==0)\n{\n msg.payload= { \"HOLDUP\" : 2 };\n return msg;\n}\nelse if(msg.payload.decr_incr==0 & msg.payload.data==1)\n{\n msg.payload= { \"HOLDDOWN\" : 1 };\n return msg;\n}\nelse if(msg.payload.decr_incr==0 & msg.payload.data==0)\n{\n msg.payload= { \"HOLDDOWN\" : 2 };\n return msg;\n}\n","outputs":1,"noerr":0,"x":630,"y":540,"wires":[["a0a22a2e.69b948"]]},{"id":"799f6b8b.d8bf4c","type":"knxEasy-in","z":"fd4e3895.5784f8","server":"dfe0bfd2.ff9b","topic":"0/0/8","dpt":"3.007","initialread":false,"notifyreadrequest":false,"notifyresponse":false,"notifywrite":true,"name":"Dimming 0/0/8","x":260,"y":540,"wires":[["71227ab4.ab1284"]]},{"id":"a0a22a2e.69b948","type":"vertex action","z":"fd4e3895.5784f8","name":"Dimming","typeButton":"dimm","bPayload":{"DON":{"action":"noreact","group":"29842950807acaf4bf4d5eb07a7b4d72","param":null,"priority":"254"},"HOLDUP":{"action":"upaction","group":"29842950807acaf4bf4d5eb07a7b4d72","param":null,"priority":"254"},"HOLDDOWN":{"action":"downaction","group":"29842950807acaf4bf4d5eb07a7b4d72","param":null,"priority":"254"},"DOFF":{"action":"noreact","group":"29842950807acaf4bf4d5eb07a7b4d72","param":null,"priority":"254"}},"bState":false,"defaultpriority":true,"x":920,"y":540,"wires":[["62b76853.8a5288"]]},{"id":"62b76853.8a5288","type":"vertex cluster","z":"fd4e3895.5784f8","userouting":false,"rate":5,"x":1190,"y":540,"wires":[]},{"id":"8ae7ffd4.b73d98","type":"comment","z":"fd4e3895.5784f8","name":"Set correct IP of the KNX gateway!","info":"","x":320,"y":440,"wires":[]},{"id":"f9bd13ea.1bc25","type":"comment","z":"fd4e3895.5784f8","name":"Confirm the group address","info":"","x":300,"y":480,"wires":[]},{"id":"dfe0bfd2.ff9b","type":"knxEasy-config","host":"10.0.6.100","port":"3671"}]

2. Go to the first node - knxEasy-in. Make sure that the gateway, group address and Datapoint are set correctly.

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4. Deploy the program and test it!

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