This expansion for the BBC micro:bit is an RFID device with a UART interface supporting 125KHz frequency RFID hardware. Control your projects with the tap of the included RFID fob or card! The module includes a programmable buzzer, dedicated pins for servo motor interfacing and a USB power port. The design is compact and compatible with all the variants of Micro:bit (both V1 and V2). Your micro:bit simply slots into the expansion header to connect the module. The board comes complete with an RFID card and keyfob! Features * RFID Expansion for micro:bit * Two dedicated slots for servo motor interfacing * Programmable buzzer * Power and card LED indicator * Online development resources * USB power port to provide power to RFID module and micro:bit Specifications * Operating Voltage - 5V * Operating Frequency - 125 kHz * Communication Interface - External Pins (GPIO and Power Pins) * Default Baud Rate - 9600 bps * Dimensions - 55.82 x 68 mm Pinout Expansion Pins Micro:Bit Pins RFID TX P1 BUZZER P8 SERVO 1 P2 SERVO 2 P16 Resources * Manual * GitHub * Product Wiki * MakeCode Package Contents * 1x micro:bit RFID Expansion * 1x RFID Card * 1x RFID Keyfob https://elecena.pl/product/22724714/rfid-expansion-for-micro-bit 2023-03-07 https://elecena.pl/product/22724714/rfid-expansion-for-micro-bit 2023-12-27 https://elecena.pl/product/22724714/rfid-expansion-for-micro-bit 2024-09-19 https://elecena.pl/product/22724714/rfid-expansion-for-micro-bit 2024-11-29 https://elecena.pl/product/22724714/rfid-expansion-for-micro-bit 2024-11-30 https://elecena.pl/product/22724714/rfid-expansion-for-micro-bit 2025-11-28 https://elecena.pl/product/22724714/rfid-expansion-for-micro-bit 2025-11-29