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For ARDUINO IDE

Upgrade LedControlMS library to support VBLUno boards of VNG

Functions: Display many LED 7 SEG or LED MATRIX via Serial SPI interface with ic MAX7219 or MAX7221

The additional code is written by VNGIoTLab

Test history:

• 8/2017: Led Matrix (https://iotmaker.vn/module-led-matrix-max7219.html)

Informations:

https://vngiotlab.github.io/vbluno/

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