The idea behind this project is that if you have an RFID credit card, you can tell your bank that you need a replacement card, then once you have that second card, you can dissolve it in acetone, take out the RFID chip, solder a new antenna to it, glue that assembly to an inner frame, then put that assembly in a mold made from the full-size ring, pour resin around it, then have a …
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