1. Arduino UNO with a Push Button to Control a LED Circuit Components : 1. Arduino UNO 2. Push Button 3. LED 4. 220 ohm resistor ( for the LED ) 5. Breadboard Usually we need a resistor for the push ...

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 ...