This is an IoT project for UNCC's MEGR 3171 Instrumentation Class. We wanted to make a small, common problem easy to fix. With the help of the Particle Photon and a couple of resistors and LED's we designed a method that could fix this problem with little effort and a low budget.
When one says "Alexa trigger fan on", Alexa with trigger a function which will turn on a micro motor. That motor is taped near a fan switch and will turn the switch on, thus turning the fan on. Whenever Alexa is told to trigger fan on, it was also mark two cells in a google sheets document with data & time and a value of "1" so the amount of times the fan is turned on is noted. And finally as a add-on, a LED on another photon will light for 2 seconds when the function is triggered.
Motor to Wall:This is how the motor is attached and how the photon is powered.
IFTTT:Alexa trigger words are "fan on" and that calls the function toggleLights.
When trigger phrase is told to Alexa, another IFTTT will mark a google sheet doc with date and time and a value of "1" so data can be graphed.
Circuit Diagram:
Link to a live graph in google sheets:https://docs.google.com/spreadsheets/d/1hqqdBM7en4HNd6pLVBTGJHW3M51j7oF2M15evV_v1LY/edit?usp=sharing
A Video Example:
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