Lab Steps

Part $1$: Setting Up the Circuit

Assemble the circuit on the breadboard as described above.

Connect the Arduino to your computer via USB.

Part $2$: Understanding the Code

Discuss the role of Serial.read$(),$ Serial.available$(),$ and Serial.parseInt$()$ in handling user input.

Explain how analogWrite$()$ is used for PWM control.

Part $3$: Running the Program

Open the Serial Monitor from the Arduino IDE $($Ctrl $+$ Shift $+$ M$).$

Set the baud rate to $9600.$

Set Serial Monitor to $$No Line Ending$($right side of the screen$)$