It's easy to transition your components to the new board as the ... Despite the differences in size and microcontroller, the Arduino Nano and Micro share some similar pinout configurations.

An Arduino Nano controls two relays which in turn can ... He’s done an amazing job hiding all the components under the trim in his car so far, you can’t tell anything is amiss!

For those worrying that [Faransky] is relying on the PWM functionality of the Arduino Nano to generate waveforms ... you could delete those components in favor of a 5V AC/DC adapter.

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