Hoverboards are pranks? Jason Sanchez: It's a lie. It's not, like, it's not a hoverboard. Jacqui Frank: They're just ugly skateboards. Like, just call a spade a spade. It doesn't make any sense to me.
Most hoverboard controllers use the STM32F103, so flashing them with your own firmware becomes easy using a ST-link V2 programmer. The next set of parts you need to build your robot is sensors.