Combine this code with a (8x32) MAX7219 LED matrix, you can buy these on AliExpress for 2-3€. 3D Printable case for the matrix: https://www.thingiverse.com/thing:2678058
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#include <BLEDevice.h> | |
#include <BLEUtils.h> | |
#include <BLEServer.h> | |
#include "BLE2902.h" | |
#include "BLEHIDDevice.h" | |
#include "HIDTypes.h" | |
#include "HIDKeyboardTypes.h" | |
// See the following for generating UUIDs: | |
// https://www.uuidgenerator.net/ |