Raspberry Pi HATs offer small, stackable data acquisition with features like analog and digital I/O.

Also, consider adding a Raspberry Pi single-board computer to your DIY drone. It doesn't replace the flight controller or power distribution board, but it can help with other features like GPS ...

Embarking on the journey of building a drone is not just a DIY adventure ... consider combining a Pi Zero with the PXFmini flight controller, which also comes with Wi-Fi capabilities.

allowing the drone to easily pick up the package and then drop it off quickly. The real key to this build is the control mechanism. [Iloke-Alusala] used an ESP32 to tap into the communications ...