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

The Arduino Nano itself is the most basic and ... socket and replace it. The Nano's processor, unfortunately, is soldered directly to the board, so replacement isn't as quick and simple.

The boards, the Nano 33 BLE and Nano 33 BLE Sense are based on an ARM Cortex M4 CPU from Nordic. The obvious answer, of course, is to port the Arduino core over from scratch. However, the team ...