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8×8 LED Matrix modules are now widely available, and fortunately they are easy to use with our favorite Arduino microcontroller. 8×8 LED Matrix module have many applications in real life, such as ...
[Amirreza Nasiri] sends in this cool USB keystroke injector. The device consists of an Arduino, a Bluetooth module, and an SD card. When it’s plugged into the target computer the device loads… ...