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| ===Need===
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| Question: Is there enough flour and sugar at home to make a cake for your friend's birthday tomorrow? Or do you need to stop at the store on your way home?
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| ===Concept===
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| Design containers for pantry bulk items that relay content levels to smart phone app in real time.
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| ===Equipment===
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| * Arduino
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| * Sharp GP2D120XJ00F Analog Distance Sensor 4-30cm
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| * Container
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| * Computer
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|
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| ===Prototype===
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| (coming soon)
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| ===Code===
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|
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| <source lang="java">
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| int IRpin = 1;
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| int val = 0;
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| void setup() {
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| Serial.begin(9600);
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| }
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| void loop() {
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| float volts = analogRead(IRpin)*0.00322265624;
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| float distance = 12.21*pow(volts, -1.15);
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| Serial.println(distance);
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| delay(100);
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| }
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| </source>
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| ===References===
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| [http://www.sparkfun.com/datasheets/Sensors/Infrared/GP2D120XJ00F_SS.pdf Reference for Sharp GP2D120XJ00F Analog Distance Sensor 4-30cm] <br>
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| [http://luckylarry.co.uk/arduino-projects/arduino-using-a-sharp-ir-sensor-for-distance-calculation/ Arduino – Using a Sharp IR Sensor for Distance Calculation]
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