This is shield interface to control up to 16 IDM-LMX3208 series 32x8 LED matrix display boards. It has on board 25W power converter to power both the 16 displays and the Arduino. It also has a dual interface to either be used on Arduino or with the IMM-NRF51822 Bluetooth ARM module. Arduino Uno and IMM-NRF51822 are not included. Small API with fonts written in standard C/C++ for Arduino, ARM processor are provided. API can be easily ported to other processors. Full source code is available free to use without restriction, BSD style license. The software allow you to arrange the display to be combined to make large display or separate with simple configuration settings. Text is displayed and scroll using simple printf like functions. See bellow
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Hardware & Software design