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Thread: RFID-Access System for fully automatic coffee machines under 50$

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    RFID-Access System for fully automatic coffee machines under 50$

    I have managed to build an access system for standard fully automatic coffee machines. Coffee cannot be purchased without the right RFID chip.
    In addition, it is planned to implement a billing function so that the machine can be used in the office, for example.
    The basis is a Teensy 3.5 as well as two self-made PCB layouts.

    In the next weeks I will create a Github project for all those who are interested in the project or want to rebuild it and post the link here.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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