Place the RFID tags on every side of the cube. To read the RFID tags the distance between the reader and the tags should be within 2 cm. To write the sides 1 to 6 on the RFID tags use the script write ...
Initial debate between Raspberry Pi and Arduino, went with Raspberry Pi as I have prior experience with them and they are slightly easier to setup. Zero W version of the Raspberry Pi as I need ...