RGB LED Matrix

RGB LED Matrix (HKBM8012J)

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This is a 8x8 RGB LED Matrix, each LED can be controlled individually. Supports daisy chaining to create larger screens, making the display even more appealing.

Details

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Specifications

  • Voltage: 3V-5V

  • Dimensions: 56mm X 56mm X 16mm

  • Connector: 4Pin PH2.0

  • Resolution: 8x8 RGB

Precautions

  • There are 2 ports on the module, one for input and one for output. Connect the input port to the Armourbit.

  • When connecting more than 1 modules, connect the output port of the first module to the input of the second module.

  • The battery box supports up to 4 modules in daisy chain. Connect an external power supply or lower the brightness if more is needed.

  • Beware of cooling when using the module for long periods of time.

Connecting the module

Connect the RGB Module to Armourbit with a 4Pin cable.

../../_images/rgb_wire.png

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MakeCode Coding Tutorial

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

Loading Extensions

RGB Matrix Blocks

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../../_images/rgbblocks21.png

Lighting up with a single color

../../_images/rgbsingle1.png

Sample Code Link

Lighting up with a rainbow color

../../_images/rgbrainbow1.png

Sample Code Link

Lighting up individual pixels

../../_images/rgbpixel1.png

Sample Code Link

Showing a pattern

../../_images/rgbpyramid1.png

Sample Code Link

Makecode Tutorial Video

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Tutorial for daisy chaining and graphical editor

Daisy chaining creates a bigger screen.

Daisy Chaining

Connect the “OUT” of matrix A to the “IN” of matrix B.

../../_images/rgbchain1.jpg

NeoMatrix Graphical editor is supported for daisy chaining.

NeoMatrix Tutorial

Daisy Chaining Showcase

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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

../../_images/kbbanner.png

Load Powerbrick Extension

Select Powerbrick from the hardware column.

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RGB Matrix Blocks

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Lighting up individual pixels

../../_images/kbrgb1.png

Sample Code Download

The module uses RGB color, you can convert HSV to RGB using this block.

../../_images/HSVTORGB1.png

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.