Can anybody tell me what node i can use to switch on a relay for 3 seconds

General
1

good day
can anybody tell me what node i can use to switch on a relay for 3 seconds

2

Trigger node (and something to start the flow like a UI button or inject node)

E.g.

Inject > trigger > your-relay-node

3

Here is how I control one of my blinds by activating a relay that simulates a press on the remote control button

[{"id":"2ae520f2e33428fd","type":"tab","label":"Flow 1","disabled":false,"info":""},{"id":"bb898f1fbb7cf2f6","type":"delay","z":"2ae520f2e33428fd","name":"","pauseType":"delay","timeout":"3","timeoutUnits":"seconds","rate":"1","nbRateUnits":"1","rateUnits":"second","randomFirst":"1","randomLast":"5","randomUnits":"seconds","drop":false,"allowrate":false,"x":460,"y":180,"wires":[["1006b2767f798513"]]},{"id":"039e470f5f32386d","type":"mqtt out","z":"2ae520f2e33428fd","name":"Relais 6","topic":"cmnd/ESP-Stores/POWER3","qos":"","retain":"","broker":"702ec46.d6e003c","x":740,"y":160,"wires":[]},{"id":"1006b2767f798513","type":"function","z":"2ae520f2e33428fd","name":"OFF","func":"msg.payload = 'OFF'\nreturn msg;","outputs":1,"noerr":0,"x":590,"y":180,"wires":[["039e470f5f32386d"]]},{"id":"59a7628d3f584be7","type":"function","z":"2ae520f2e33428fd","name":"ON","func":"msg.payload = 'ON'\nreturn msg;","outputs":1,"noerr":0,"x":310,"y":160,"wires":[["039e470f5f32386d","bb898f1fbb7cf2f6"]]},{"id":"332531dab392cc3e","type":"switch","z":"2ae520f2e33428fd","name":"Store Sud","property":"payload","propertyType":"msg","rules":[{"t":"true"},{"t":"false"}],"checkall":"true","repair":false,"outputs":2,"x":160,"y":180,"wires":[["59a7628d3f584be7"],[]]},{"id":"702ec46.d6e003c","type":"mqtt-broker","name":"MQTT-Debian64","broker":"192.168.1.160","port":"1883","clientid":"","usetls":false,"compatmode":true,"keepalive":"60","cleansession":true,"birthTopic":"","birthQos":"0","birthPayload":"","closeTopic":"","closePayload":"","willTopic":"","willQos":"0","willPayload":""}]
4

I'm new to this and i'm trying to automate my house please give more detail on how to use this sring of code

5

thank you but please tell me how to set up (Inject > trigger > your-relay-node) im new to this and trying to automate my house as a project

6

open your flow editor, go to the top right menu, click on "Import" and paste the example I gave you. Then you can study how it works by opening each node. This is very telling by itself.

7

ok thank you i will try
now im having a problem opening node-red it cant connect to server

8

what happens when you run the node-red-start command from the console? Please put a screenshot

9

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