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Conceptual Design

Our baby bottle indicator is a ring that is composed of 16 LED lights which will tell users if the temperature is just right to feed a baby safely through ambiently showing different light displays. The baby bottle will use the waterproof temperature sensor to detect the temperature and based on its reading, the indicator will display a certain light pattern. We designed each LED pattern scenario to evoke a specific emotion that will inform the users if the liquid is safe:

When the milk is too hot, the LED display will evoke the emotion of trepidation. 
  • Color: red and orange
  • Pattern: short blinks that rapidly change between red and orange
  • Intensity: high intensity
When the milk is just right, the LED display will evoke the emotion of joy
  • Color: pink, yellow, blue
  • Pattern: randomly blink between pink, yellow, and blue
  • Intensity: high intensity
When the milk is too cold, the LED display will evoke the emotion of sadness
  • Color: blue and teal
  • Pattern: slow transition between blue and purple
  • Intensity: low intensity

Bill of Materials (sensors, input devices, actuators, and other components)

  • Breadboard
  • Particle Photon
  • DS18B20 Waterproof temperature sensor
  • NeoPixel ring - 16 x 5050 RGB LED
  • 4.7k Ohm resistor
  • 470 Ohm resistor
  • 1000 µF capacitor
  • Appropriate wiring
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