Control multiple lesd from the same digital by app

[khaledawoud]

hey i need Control multiple lesd from the same switch from blynk app like :-
in normal code when i want to control lesd by phisycal switch i write this

[Unformatted code removed by moderator]

but how can i do that code but without physical switch , i need that by blynk app
what can i write inside if condition instead of sw liek if(sw==0)
what can i replace sw to put on some comands from blynk app

[John93]

Hey there,

first, when you post a sketch make sure to add triple backticks ( ``` ) before and after your sketch like this

Second, check this topic

Using Virtual Pins to control physical devices

I thought I’d write a guide about how to use virtual pins with app widgets such as buttons, to control physical devices such as relays, LEDs etc… Why use virtual pins anyway? I’d always recommend using virtual pins over physical pins when developing your code. There are a number of reasons, but here are what I consider to be the main ones: Virtual pins are hardware independent. This means that it’s far easier to port your code from one hardware platform to another in future (when you realise…