Digital output error

When I run the blynk project for the first time, all the output I have given is on but the app does not show that it is on. All the relays connected to them are on. How to fix it?

My psychic powers are a little weak this morning, maybe I need more coffee to stimulate them - or, you could simply provide sufficient information so that other mere mortals are able to understand such things as…

  • what board you are using
  • what connection method are you using
  • how are your relays connected to your board
  • how are your relays powered
  • are your relays active HIGH or active LOW
  • what other hardware do you have connected to your board
  • how your app is configured, and what widgets are connected to which pins
  • what code you’re using (posted on the forum with the correct formatting of course)
  • what version of the Blynk library you’re using
  • whether you are using the Blynk cloud servers or your own local server
  • what version & flavour (iOS or Android) of the app you are using
  • if your primary board is an ESP based one then what version of the ESP core you are using
  • what your serial monitor shows
  • anything else that might be relevant

Pete.

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I am used this tutorial sir

14 questions, 1 answer!

Maybe you should ask the YouTuber?

Pete.

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