Servo, button and slider controll / hc-05

[PeteKnight]

@Ryato

I am using both IDE version 2.0 and 1.8.4.

What exactly does this mean?

@Ryato

I’m using the latest versions of all libraries.

That’s a bad move as far as Blynk is concerned. I’d always recommend using version 0.6.1 with Blynk Legacy.

If you want to understand how you receive the values from widgets attached to virtual pins then 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.