What you need Before we get started you’ll need to make sure you have your drone built, and that you’re using the PXFmini and Raspberry Pi Zero as the heart and brains respectively.

Drone makers Oleksandr Ptashnyk (left) and Andrii Yukhno in their workshop. Ptashnyk, a dancer, says he's making drones to help Ukraine end this war on the best terms it can.