- Integrated LED stat
This bloc will control the internal LED of the NODEMCU. (Video)
- Digital write
Write a HIGH or a LOW value to a digital pin. (Video)Example: blinking an LED connected to the port D0
- Digital read
Reads the value from a specified digital pin, either HIGH or LOW.
- Analog read:
Reads the value from the specified analog pin. The NODEMCU has only one analog pin. It will map input voltages between 0 and 5 volts into integer values between 0 and 1023.
- High – Low:
Will return 1 you choose High or 0 if you choose Low.