The below circuit diagram shows the complete hardware wiring setup of the Arduino-based Smart Walking Stick for the Blind ...

The original 5 mm LED array was replaced with a new 8×8 WS2812B panel, and the electronics completely replaced with an Arduino Nano. He’s still using the light’s original power supply ...

The Nano, just as its name suggests, is the smaller board between the two, and interestingly, also the tiniest ever produced by Arduino. It comes in a light seven ... a tight case, you can likely ...