Since it is easier to label the tag cards from a computer, I built a Python 3 application to read the RFID tags from the SparkFun RFID reader. Whenever my ESP32 prototype gets a tag id, it will query a tag catalogue to see what that tag id represent. In order for that ESP32 prototype to recognise what each of my tag card represents, I need to label the ids. Given that, I was able to build a ESP32 prototype to scan tag ids from RFID cards. Previously, we saw how to use an ESP32 board to read RFID tags from a SparkFun RFID USB Reader. When you have an RFID starter kit from Sparkfun, you will be able to read RFID tags through serial. How to read RFID tags from SparkFun RFID USB Reader with Python 3
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