RFID Expansion For Micro:bit

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