The LED Pattern Door Lock System is an interactive electronic project built with an Arduino Nano and a 0.96″ I²C OLED display. The system allows users to unlock a virtual “door” by entering a ...
Did you know that you can use Arduino to turn on an LED when you press a button? Well, it is true, you can do this! Leaving the joke aside, let me show how you can achieve this. You will need the ...