RFID Reader Module

RFID Reader Module (HKBM8012L) + RFID Card (HKBM8012M)

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This is an RFID module that can read or write RFID cards.

The included RDID card has 1K memory, it has 16 sections with 3 blocks each.

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Details

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Specifications

  • Voltage: 3V-5V

  • Dimensions: 56mm X 56mm X 16mm

  • Connector: 4Pin PH2.0

  • Sensing Distance: Approximately 3cm

Precautions

  • Do not use the module in an environment with strong magnetic fields.

  • Any metal between the reader and the card will cause it to fail to write or read.

  • It may take sometime when writing a large amount of data into the RFID Card, please wait until the light goes off.

  • Cards like Octopus Cards or ID Cards have encrypted data, the reader can only read the UUID of these cards.

Connecting the module

Armourbit


Connect the RFID Module to the I2C port of Armourbit with a 4Pin cable.

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Robotbit


Connect the RFID Module to the I2C port of Robotbit.

Blue(A)->SCL, Green(B)->SDA

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MakeCode Coding Tutorial

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Powerbrick Extension: https://github.com/KittenBot/pxt-powerbrick

Loading Extensions

RFID Module Blocks

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Writing data onto RFID Card

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Sample Code Link

Reading Data from RFID card

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Sample Code Link

Reading the UUID

Every RFID card has an unique ID.

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Sample Code Link

Identification with UUID

We can use UUID to identify indicviduals.

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Sample Code Link

Makecode Tutorial Video

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Extension Version and Updates

There may be updates to extensions periodically, please refer to the following link to update/downgrade your extension.

Makecode Extension Update

KittenBlock Coding Tutorial

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Load Powerbrick Extension

Select Powerbrick from the hardware column.

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RFID Module Blocks

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Writing data onto RFID Card

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Sample Code Download

Reading Data from RFID card

../../_images/rfidread3.png

Sample Code Download

Reading the UUID

../../_images/uidread3.png

Sample Code Download

Identification with UUID

../../_images/uididentify3.png

Sample Code Download

FAQ

1:Why is there no reaction when I click the blocks?

Make sure you have connected the Micro:bit correctly and flash the firmware again.