Turn on a relay only for 5 seconds

[Amlan]

I do need a sketch to turn on a relay only for 5 seconds and then turn permanently off using esp8266 and blynk app without using the timer widget in blynk app.

[Gunner]

Since we do not write code on demand here… What is your question?

If what commands to use… try BlynkTimer and a timeout timer

[Toro_Blanco]

Please learn to use the SEARCH function. This was just covered the other day, except using 10 seconds. Try looking around for an answer instead of asking others to do it for you.

There are many examples on there that cover it.

Another stupid noob question

Good morning all, I’m trying to operate a start relay that needs to stay engaged for around 10 seconds. I’m using NodeMCU board with Blynk. I’m using V20 to start.(which controls D3) and V21 to stop (which controls D4). In Blynk I have V20 as push, not switch; so that when I get the timer delay it will only activate the start relay for the 10 second delay. My problem is if I put in a delay, V20 doesn’t work at all. I read that I should use a blynk.timer command: but I’m not understanding th…