Their onboard LEDs are connected to pin D13, and their serial RX/TX pins are on pins D0 and D1, respectively. Additionally, the Nano and Micro feature 20 digital pins, labeled as RX, TX, D2 to D13 ...

Set up the serial port, configure pin 2 (INT0) as an input with internal pull-up, ... /* * Nano Sensor Interface * Arduino Nano ... (D2) is pushed, it awakens, excites the LED, and goes back to sleep.

All Arduino boards have this pin, and it's connected to the built-in voltage regulator that makes sure your board receives a stable supply. For the Nano, the VIN pin is found on Pin 30 (although ...

The Arduino Nano uses a bootloader for handling ... computer must release the port, including the serial monitor. ... pins to the CH551 development board or programming via the reset pin. ...

Using a small LCD screen and the power of the Arduino Nano development Board the small palm size monitor has been enclosed in a waterproof 3D printed case and is equipped with waterproof buttons ...

You may be interested in a project published to the Hackster.io website earlier this year providing instructions on how to create a simple wearable heart rate monitor using an Arduino Nano R3.