The device uses an Arduino, a GPS module, a compass, and a servo motor. Being a wedding gift, it also needs to meet certain aesthetic sensibilities.

This motor is powered by an Arduino controlled with an LSM303 compass module from Sparkfun. When the autopilot module is started up, it first checks to see if the compass module is enabled.

Arduino Nano 33 BLE Sense is a nano-sized board with Bluetooth connectivity and well equipped with sensors which include a 9-axis inertial measurement unit (IMU) which adds a compass to the usual ...