Arduino-and-Pixhawk-Serial-Communication Overview This example demonstrates how to establish serial communication between an Arduino board and a Pixhawk flight controller using the PX4 firmware. It ...

Looking for practical Arduino projects? This guide shows how to control a relay from your smartphone using an Arduino Uno — either via Bluetooth or Wi-Fi.

Well tech tinkerer Joe Desbonnet has whipped up what he dubs "poor man's NFC" using an Arduino, some magnet wire, and any compass-equipped Android smartphone (which is almost all of them).

This is for communicating to an Arduino via serial port. I can use this via RaspberryPi or my laptop. I wanted to store this code so everyone can find this easily (And so I can find this easily).