Project tutorial

IOT2020 - RFID Real-Time Access Control © MIT

RFID real-time access control based on IOT2020, Arduino and Firebase.

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  • 30 respects

Components and supplies

Apps and online services

About this project

About

IOT2020-RAC is a real-time access control based on IOT2020, Arduino and Firebase Database. It works by reading an RFID card and synchronizing the access information in real-time using Firebase.

Why

Because we wanted to learn how to connect IOT2020 to a Firebase Database and read any sensor supported by Arduino in real-time.

How

With a node script, we connect the Arduino to IOT2020 by serial port and keep synchronized the realtime database.

Every time a RFID card is read by the sensor, the Arduino send the card ID to the node script and it's check the user and upload the user ID, device ID and timestamp to the database.

To notify the access registering status the Arduino controls a LCD display, a buzzer and RGB led.

We add a demo web UI (React based) to see in realtime the access registers.

Code

Custom parts and enclosures

IOT2020 - RAC Case
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IOT2020 - RAC CAD image
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Schematics

IOT2020 - RAC Schematic
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IOT2020 - RAC Schematics image
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