8x8x8 Led Cube control program

PC control program for generic 8x8x8 3D LED Cube found on eBay (e.g. 3D LightSquared 8x8x8 LED Cube DIY kit, ideasoft, etc.)

Written in Java (requires Java RE, download here: http://java.com)
Supports direct animation playback through Serial/UART interface (rxtx library)
Various GUI usability enhancements

Firmware

This program can control any packet format compatible LED cube (see below). Example firmware of a compatible LED cube with an STC12C5A60S2 MCU can be found here: Source Code

Using the program

Run run_x32.bat for 32-bit Windows
Run run_x64.bat for 64-bit Windows

Check this YouTube video for example: https://youtu.be/UplJi7pdV_Y

LED Cube control packet format

8x8x8 LED Cubes that support below packet format can be controlled with the program via Serial console or other MCU such as an Atmega/Arduino. Example UART/Serial packet (in hex):

F2
00 00 00 00 00 00 00 FF
00 00 00 00 00 00 00 FF
00 00 00 00 00 00 00 FF
00 00 00 00 00 00 00 FF
00 00 00 00 00 00 00 FF
00 00 00 00 00 00 00 FF
00 00 00 00 00 00 00 FF
00 00 00 00 00 00 00 FF

F2 - denotes packet header (aka. batch update)
next 64 bytes - (8x8x8 bits) of LED light states
- one byte - controls a LED row (8 LEDs)
- can be any value in range: 00-FF (i.e. 00 - all 8 LEDs in row are off, FF - all 8 LEDs are on)
- a single line (e.g. 00 00 00 00 00 00 00 FF) denotes a 64 LED layer

Implementation note: to save energy/current consumption only a single layer (64 LEDs) in a LED cube is ON at one time. This is done for all layers and so fast (using a hardware timer), that the human eye does not recognize this. This hack allows to view the cube (all layers) as fully lit.

License

tomazas/DotMatrixJava

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