Knowing that my roommate would be more awake if he was forced to get out of bed and turn the lights on, I figured it would be helpful to design an alarm system that does just that. The alarm is made up of a photon board, an alarm set button, a piezoelectric speaker, a photoresistor and an LED to enhance the alarm experience.
While this system will be used primarily in the morning, I find that it relates a strongly to devices that could be used at night. For example, by using a series of photoresistors and motion sensors, a smart hallway could be created that illuminates only the area immediately around you so that it does not hurt you night vision.
This devices was inspired by a coffee maker alarm, a toy car alarm clock and a bit of programmer humor hidden in code:
https://particle.hackster.io/30039/the-ultimate-alarm-clock-86b95d?ref=search&ref_id=alarm&offset=3
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