If you’ve worked with passive RFID before, you know that most readers ... portable by embedding 12 AA batteries and a custom PCB using an Arduino Nano to interpret the reader’s output.

and a MFRC522 RFID receiver that can pick up tags placed on the top of the player. Power is provided by parts salvaged from a USB battery bank, and everything is housed on a custom PCB.

It can be connected through UART (TTL, RS232), USB, as well as Ethernet, and is available as a PCB module and with Desktop housing. TWN4 MultiTech 2 is also compatible with over 60 of the most common ...