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04. Controlling an LED using a Push-button

Push-button is an example of mechanical switch. When it is pressed, the circuit is complete and when released, there is a gap in the circuit.

Supplies:

  • LED
  • Push-button
  • Resistors - 220Ω and 10kΩ
  • Arduino Uno R3
  • Solderless Breadboard - Mini
  • Jumper Wires

Setting up your hardware




Connections:

  • Cathode (LED) ---> GND
  • Anode (LED) ---> D3
  • Push-button ---> D9

Coding

These codes will make the LED light up when the push-button is pressed and off when the button is released.
Compile your sketch and upload it to your Arduino Board after connecting it to your computer.

Final look

If you have any questions, please feel free to comment them below or send an email to arduinoprojectsbyr@gmail.com.

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