A new mini-project…
A simple sketch of the reader, aluminum tape or foil with glue can be used.
Loading data diagram:
Tape design model, (the image must be scaled to obtain 25mm wide printed strips):
Next steps:
Electronics: I’m planning to use the Trinket (5V) from Adafruit and the 7-Segment Serial Display from Sparkfun…
The Sketch…
Need time for them….
Arduining 
Have you had the time to finish the code for this project, I built the reader
Plus I’m using an arduino uno