Udemy: Projects 1 - 3

Some are based on Arduino IDE built-in tutorials:
https://www.arduino.cc/en/Tutorial/BuiltInExamples

All code is on https://snipit.io  under nodemcu list

Circuit is designed using:  https://www.circuit-diagram.org/editor/

1. Hello world Serial Monitor Output: 

https://roboindia.com/tutorials/serial-monitor-nodemcu/

Code:  https://snipit.io/lists/5265/15522

2. Blink built in LED :

Select examples, basic, blink.
Modify builtin pin to D4

Code: https://snipit.io/lists/5265/15526

Ref:
Arduino Examples, 01.Basics, Blink
https://www.arduino.cc/en/Tutorial/Blink


3. Blink external LED (Digital Out) :

Description:
Demonstrates the use of digital output to blink an LED

Select examples, basic, blink.
Modify pin to D4

Parts Required:
  1. NodeMCU (1)
  2. LED (1)
  3. 220 ohm resistor (1)
  4. jumper wire (1)
  5. breadboard (1)

Circuit: https://crcit.net/c/d5f3db14

Code: https://snipit.io/lists/5265/15526

Ref:
Arduino Examples, 01.Basics, Blink
https://www.arduino.cc/en/Tutorial/Blink



UNUSED:

1. Read from Serial Monitor and control onboard LED:
    Code:  https://snipit.io/lists/5265/15464


2. NodeMCU Digital Output – LED Blinking (PWM)
   https://roboindia.com/tutorials/digital-output-nodemcu/

 

   Code: https://snipit.io/lists/5265/15467