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Master Minds Only (Coffee Mug "Forget me Not" Answered

I am looking to design a coffee mug that reminds the user via a speaker attached to the door in some way, that they are leaving the house without their coffee. 

The project will need a sensor at the door that can recognize a sensor built into the mug, I'm thinking Thermos style yet able to fit in a normal sized cup holder, that can be machine washed without damaging the inside components. (The design can have an attachable bottom to hold the hardware and battery source, so the main part is machine washable.) 

And an additional sensor is needed on the users car keys to recognize the user is leaving the house.

when both the mug sensor and the key sensor pass at the same time  a "have a nice day _______user name_____" voice recording plays

when only the key sensor goes past the door receiver a " ____User name____ is forgetting their coffee" voice recording plays 

My questions are for what type of sensors will I need to purchase in order to create this project?

and how would I set up the code to recognize the combination of sensors vs. the single sensors by passing the door sensor?

Thank you for your help Indestructable community  

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mpilchfamily
mpilchfamily

6 years ago

May it a simple RFID thing. The system triggers when you open the door. If you don't put the RFID tag near the scanner at the door it will give you the audio reminder. All you would need is an arduino with wave shield and RFID reader and an RFID tag that sticks to the bottom of the mug. No need to over complicated things.

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caitlinsdad
caitlinsdad

6 years ago

Use RFID tags/stickers on the mug and keychain. You would have to play with the sensitivity of the detector to see where you have to pass by for the tags to be read. There are many arduino/RFID tag projects and ibles out there if you look. You could also incorporate sound clips coming off an SD card played by the arduino. Good luck.