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The sensors worked perfectly on the breadboard. We would set the sensors to calibrate, allowing it to give us accurate readings by sampling the area and dismissing ambient noise. When an object is at a given distance from the sensor, the LED would light up. We also coded it so the closer the object is to the sensor, the brighter the LED would become. Although the sensors worked very well on the breadboard, having to transfer the circuit onto a protoboard and then soldering and wiring the board to the Arduino, caused weak wire connections resulted in calibration issues and the sensors not responding to the way we wanted.  

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