- Connect Micro USB (Type B) to SST-NodeMCU Project Board and USB (Type A) to USB Port of Computer.
- Connect the shorter end of the LED to the Ground and the Longer end to GPIO15. OR
- Use On-Board LED which is connected at GPIO2.
- Use the Toggle switch which is connected at GPIO16.
- Configure GPIO2/GPIO15 as Output and GPIO16 as INPUT in SETUP function.