Sharp gp2d120

Using Arduino Project Guidance
1

Hi I have been testing my Sharp gp2d120 sensor with this code

void setup()
{
Serial.begin(9600);
}

void loop()
{
Serial.println(analogRead(0));
delay(100);
}

all I am getting in the serial monitor is 228-229, no matter how much I move an object to and fro from the sensor the number doesnt change

2

The software looks right so the problem is probably in hardware. Check your wiring. Get a multimeter and check the voltage output of the sensor to see if it changes properly (connect to Gnd, +5, and meter between the signal line and Ground). Try a different analog input pin (perhaps A0 has been damaged).

3

checked all of that and still the readings arent changing :-/

4

So the meter is showing a changing output and none of the Arduino analog inputs shows the changing output? Sounds like a fried ATmega chip.