Blynk.virtualWrite(pin, value)and receive data from the App using
BLYNK_WRITE(vPIN). Read below
virtualWriteattempts to send the value to the network immediately.
V128syntax is not available. Please use plain virtual pin number, for example:
BLYNK_WRITEis a function called every time device gets an update of Virtual Pin value from the server (or app):
BLYNK_WRITEcan't be used inside of any loop or function. It's a standalone function.
BLYNK_WRITEhandler is called.