How to use Virtual pin over Digital pin

[PeteKnight]

Virtual pins have their own version of the pushnutton library called BLYNK_WRITE(vPin) which is triggered when the state of the widget attached to t6he virtual pin changes.

Attempting to use virtual pins and the pushbutton library isn’t going to work.

If you want to learn how to use virtual pins to control physical GPIO pins you should read this:

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…

Pete.