Another pin you can use on the Nano to power it up is the 5V pin (located on Pin 27, close to the VIN pin at the end of the board). This pin mostly serves as a power output pin that supplies power ...

The process begins with gathering the necessary components: a 9V battery, an LED light strip or bulb, an on/off switch, wire, electrical tape or a soldering kit, and Velcro or adhesive for mounting.