Using an arduino, breadboard,  ultrasonic sensor,buzzer, lcd and red led display distance in centimeters,
If needed, use a rotary potentiometer, male to male cable (m-m)female to male cable (f-m) or any resistor provided in the kit.
display distance in centimeters to lcd. If the object is indistance, turn on Active buzzer(play sound)
and turn on red led. If the object is not in range, display outof range or \"Object now close'.  on the lcd, make surethe buzzer is off and red led is off.
Provide code and schematic
Provide code and schematic
