Working With Two LEDs Using Arduino UNO in TinkerCAD Circuits

This project demonstrates working with two LEDs and Arduino in TinkerCAD circuits.

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Step 1: Objective

  • Blinking of two LEDs (alternating)
  • Fading effect of two LEDs (alternating)

Step 2: Components Required

  • Arduino UNO (1 No.)
  • Breadboard (1 No.)
  • Resistor 1k ohm (2 No.)
  • LED (2 No.)
  • Jumper wire (4 No.)
  • USB cable (1 No.)

Step 3: Basic Circuit Diagram

The basic circuit diagram is shown in the figure. It consists of LEDs in series with Resistors. The power is drawn from the Arduino board.

Step 4: Breadboard Diagram

Make the connections as shown in the figure above.

  • LED (red): Anode and Cathode to a10 and a11 respectively on the Breadboard.
  • Resistor: one end to e10 and another to g10.
  • Jumper wire (red): connecting the PIN3 (of Arduino) and j10 (of breadboard)
  • LED (green): Anode and Cathode to j20 and j19 respectively on the Breadboard.
  • Resistor: one end to f20 and another to d20.
  • Jumper wire (green): connecting the PIN6 (of Arduino) and a20 (of breadboard)

  • Jumper wire (black): connecting c11 and GND
  • Jumper wire (black): connecting h19 and GND

Step 5: Block Code (for Blinking of Two LEDs)

Create Block codes as shown in the figure

Step 6: Block Code (for Fading of Two LEDs)

Create Block codes as shown in the figure

Step 7: Start Simulation

Click Start Simulation to see the action

Step 8: TinkerCAD Circuits

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