As shown in the previous tutorial, using the MFRC522-python library (https://github.com/mxgxw/MFRC522-python.git) and the data read example script, I’m able to read the UniqueID (UID) of my NFC card.
On GPIO17 (= pin 11) I have the 220v relay signal that open the electric door lock. Therefore, editing the read example script, if an allowed UID is read than the door will be opened!
I add also a log file to control if somebody try to force the system
Each Friday is PiDay here at Adafruit! Be sure to check out our posts, tutorials and new Raspberry Pi related products. Adafruit has the largest and best selection of Raspberry Pi accessories and all the code & tutorials to get you up and running in no time!
Have an amazing project to share? Join the SHOW-AND-TELL every Wednesday night at 7:30pm ET on Google+ Hangouts.
Join us every Wednesday night at 8pm ET for Ask an Engineer!
Learn resistor values with Mho’s Resistance or get the best electronics calculator for engineers “Circuit Playground” – Adafruit’s Apps!
Maker Business — Alibaba to invest $15b in tech, set up research labs around the world
Wearables — Hand beading mimicry
Electronics — Trigger happy oscilloscope?
Biohacking — Biohacking: Visioneer – AI Glasses to Assist the Visually Impaired
No comments yet.
Sorry, the comment form is closed at this time.